Researcher: deep waters of inquiry

The standard map service that lets you cut across maps, routes, Street View, and reviews worldwide. With Gemini AI–powered "Ask Maps" you can do natural conversational searches, and the 3D immersive navigation lets you confirm a route with on-site feel. A starting point for places, facilities, and traffic — usable at any age.

Layer topographic maps, aerial photos, elevation, and disaster information to read the "why of place".

An entry into "how society of the time was seen" through film and video sources. Easy to use as inquiry material.

Read damage, reconstruction, and urban change with the documentary footage of the Great Kanto Earthquake as material.

Understand Japanese and world history with people at the center.

The Smithsonian — one of the world's largest museum complexes — publishes its images, 3D models, and audio under CC0 Open Access. Young readers and researchers alike can reach world-class primary materials through the same door.

The Met's official Open Access collection, releasing out-of-copyright works under CC0. High-resolution images can be used without permission, making it a shared entry point for children through researchers to handle real art objects.

The University of Tokyo's OpenCourseWare publishing actual course materials and videos. University students, graduate students, and teachers can use it as a reference model for how research-grade arguments are built.

An official channel that teaches the perspective of excavation and cultural property research.

Observe cultural properties in 3D. Good practice for forming hypotheses about form, use, and making.

Browse cultural properties and ruins nationwide overlaid on a map. Use the relationship between place and era to form questions.

Search by place name and the "layers of regional culture" become visible.

Observation data of temperature, precipitation, etc. For analyzing climate change and torrential rains.

When you can see clouds moving, weather and torrential-rain inquiry becomes concrete.

The UK's official weather and climate agency. Publishes historical observations, climate research, and reanalysis data. Paired with JMA (Japan), lets you read differences between North Atlantic climate and Japan's monsoon climate.

The English portal of Germany's federal meteorological service. Observations, climate data, and warnings. An official reference for continental European climate, useful for climate comparison with Japan.

Korea's official meteorological agency (English portal). Publishes observations, forecasts, and climate data. As a neighbour across the Yellow Sea and Sea of Japan, one of the easiest meteorological datasets to compare with Japan.

Generate climate charts by clicking on a world map. Walter-Lieth diagram available.

High-resolution global weather and climate database.

NOAA's climate maps and visualization tools.

Satellite data archive and downloads from NICT's Himawari project.

A geographic browser to fly around the entire planet in 3D. Visually grasp "the world now and then" through satellite imagery, terrain, 3D buildings, and Timelapse (year-by-year change of satellite photos). The "Voyager" feature also hosts 3D tours of World Heritage sites and stories on endangered species and the SDGs. An entry to geography, history, disaster prevention, and international comparison — usable at any age.

A location service that divides the world into 3-metre squares and assigns each one a unique address of three words. Over 57 trillion squares cover the globe, and the same square shows different words depending on the language setting (61 languages are supported per the official support pages, as of 2026). It can pinpoint parks, coastlines, mountain trails, and evacuation sites that have no street address, and police, fire, and ambulance services in the UK and elsewhere have adopted it. The app and online map are free; the business and developer API is paid, though it is offered free to emergency services and NGOs.

Confirm nationwide disaster risks (flood, landslide, storm surge, tsunami, etc.) from MLIT via the "Layered Hazard Map" and "My Town Hazard Map". An entry for local disaster prevention and geography inquiry.

GIS data of administrative borders, transport, facilities, etc. Usable for mapping and analysis.

An entry to understanding seismic risk "with assumptions explicit".

Treats transaction prices, land prices, hazards, and city planning on the same map.

A pathway for how to use satellite data.

Browse Japan's geological maps seamlessly. Explain terrain, disasters, and resources from "differences in geology".

A navigation hub to GSJ database groups on geology, terrain, and resources. Strong as a path to drop down to primary data.

A historical map DB that lets you cross-search early-modern to modern maps. Read the change of place names, territories, transport routes, etc. as primary sources.

Overlay Edo, Meiji, and prewar old maps semi-transparently on modern maps. Visually read changes in place names, waterways, and roads. An entry to historical geography, usable from elementary to professional.

A site (independently run) that, with operations similar to the GSI Map, lets you overlay red-relief maps, contour lines, individually tiled old topographic maps, and detailed terrain maps. Supports two-pane display, measurement, drawing, and printing — works from middle-school regional / disaster-prevention / high school geography to university research and field surveys.

Japan's official source for seafloor topography, tides, ocean currents, territorial seas, and 3D marine maps. A primary information source for reading the links between landform, safety, fisheries, and the marine environment.

An official database that lets you pull borehole survey logs (columnar sections) by location, published by Japanese public-infrastructure bodies. You can see, as a primary source, which layers underlie your own town.

An international portal that cross-searches historical maps held by libraries and archives worldwide, from a geographic location. Complements David Rumsey for reading the same place across multiple period maps.

The official global bathymetric dataset jointly maintained by IHO and the IOC of UNESCO. The standard reference for "submarine topography" counterpart to the GSI Map, usable as the marine side of Create GBM's 3D terrain.

The UK's official mapping agency and one of the origins of modern cartographic surveying. Publishes precise topographic maps, administrative boundaries, and digital mapping. A strong comparison point for how "national maps" are made against GSI (Japan).

The UK's national geological survey. Publishes geological maps, subsurface, earthquake, and environmental-geology data. Paired with GSJ (Japan), gives an international lens on "reading the land through geology".

The official web map operated by France's national mapping agency (IGN). Layer topography, aerial photos, boundaries, and historical maps for all of France in the browser — a French counterpart to the GSI Map.

Australia's national geoscience and surveying agency. Provides comprehensive maps, landform, geology, and natural-hazard data. A Southern Hemisphere / continental-scale reference point for terrain inquiry.

New Zealand's official geo-information agency. Open topographic maps, aerial photos, cadastre, nautical charts, and place-name data. As an island nation on a plate boundary, comparable to Japan in geography.

The English portal of Germany's federal mapping and geodesy agency (BKG). Publishes national terrain, boundary, and administrative data. A model case for a continental European map-data system.

The official data hub of the EU / ESA Earth observation programme Copernicus. Sentinel optical and radar observations are available for free. The international standard for high-resolution satellite imagery inquiry on land use, disasters, and agriculture.

A planet-scale satellite-data analysis platform Google provides free for research, education, and non-profits. Landsat, Sentinel, and MODIS can all be analysed in the cloud. Since it is privately operated, confirm terms of use before applying it.

A global database of human settlement (cities / population / buildings) maintained by the European Commission's Joint Research Centre. Combining satellite and statistics, it allows worldwide time-series comparison of urbanisation.

A high-resolution global population distribution dataset published by the WorldPop international project centred on the University of Southampton. Integrates censuses and satellite observations to compare small-area populations globally. Widely used for disaster, health, and education policy research.

An international-standard dataset of administrative boundaries down to city / municipality level. Freely available as base layers for overlaying statistics in GIS. For commercial use, confirm the licence separately.

A public digital archive at Stanford University Libraries holding over 150,000 historical maps of the world, 15th century to present, at high resolution. Even young learners can enjoy "how people used to picture the world" as images.

The national portal for distributing geospatial data from government and research institutions.

Download geological maps and data from the Geological Survey of Japan (AIST).

National database of active fault evaluations by Japan's Headquarters for Earthquake Research Promotion.

AIST's comprehensive active fault database with GIS data and evaluation reports.

National database of hydrological and water quality data from rivers and lakes across Japan.

Aerial photos from the 1950s onward, freely viewable and downloadable at 400 dpi.

Runnable notebooks for analysing satellite data across the African continent, covering topics such as changes in water bodies, vegetation and urban growth.

The prefectural disaster portal run by the Hokkaido Government Crisis Management Bureau. It gathers shelter-opening status by municipality, evacuation orders, weather warnings, and earthquake information, and lets you check evacuation sites on a map or as a list.

A forest map system published by the Hokkaido Government Fisheries and Forestry Department. Sub-compartment boundaries of privately owned forests covered by the regional forest plan can be browsed over base maps or aerial photographs, together with tree species, stand age, and restricted-forest status. It works on smartphones and tablets.

The prefectural disaster information portal run by the Aomori Prefectural Government Crisis Management Bureau. Alongside guidance on checking hazard maps, it gathers information drawn from the prefecture's disaster GIS, such as evacuation sites and major medical institutions.

A catalogue site for finding open data held by Aomori Prefecture and its municipalities in one place. Users can also register public-interest data of their own, and the catalogue includes GIS-ready datasets such as forest resource statistics.

Iwate Prefecture's public GIS. Layers from several fields — crime incidence, erosion-control GIS content such as landslide hazard zones, and designated-road maps — can be stacked on a single map. Municipal websites within the prefecture also point here for checking landslide risk areas.

An electronic map from Iwate Prefecture for finding barrier-free and universal-design facilities from the map itself. It runs on the same prefectural GIS platform as the Iwate Digital Map.

A page where Iwate Prefecture gathers walking maps from around the prefecture as part of its health-promotion work, leading through to courses created by individual municipalities.

The prefectural disaster portal run by the Miyagi Prefectural Government Crisis Management Department. It provides earthquake information and road-restriction information in real time, and doubles as the entrance to field-specific systems such as the prefecture's erosion-control and river-basin information systems.

Miyagi Prefecture's forest GIS, publishing map layers related to forests such as mountain-disaster risk districts, protection forests, and orthophotos. Layers can be switched on and off on the web map.

The map view of the Akita Prefecture open data portal. Data held by the prefecture can be visualised on a map, and is also distributed in GIS-ready formats such as zipped shapefiles.

The prefecture's forest GIS service, publishing forest information for privately owned forests in Akita — compartments and sub-compartments, forest plan maps and the like. Forests covered by the regional forest plan can be checked on the map.

A cultural-property map published by Yamagata Prefecture, showing the locations of archaeological sites (buried cultural property areas) together with nationally and prefecturally designated, nationally registered, and nationally selected cultural properties. GIS data export was added in January 2026.

The comprehensive river and erosion-control information site run by the Yamagata Prefectural Government Public Works Department. The prefecture is divided into seven districts, and water levels, rainfall, and live camera images can be checked from the map.

A web forest GIS publishing geographic information on forests and forestry in Fukushima Prefecture. For forests covered by the regional forest plan, locations can be checked readily by tree species and stand age.

The prefectural disaster portal run by the Disaster Countermeasures Division of the Fukushima Prefectural Government. It brings shelter information together with weather and disaster information in one place, and together with the prefecture's disaster website serves as the entrance to hazard maps.

A prefecture-wide integrated GIS built and operated jointly by Ibaraki Prefecture and every municipality within it. Map information held separately by the prefecture and by municipalities is published together on one electronic map, covering administrative information, everyday-life information, events, and tourism. It went into service in fiscal 2008.

A municipality-by-municipality list of the "Ibaraki Health Road" walking courses designated by Ibaraki Prefecture for health promotion, chosen so that everyone from children to older people can walk them safely. They can also be found on a map through the Ibaraki Digital Map.

Tochigi Prefecture's new integrated map system, in service since 11 March 2026. It brings disaster information and public-facility information — previously separate — onto a single map, covering hazard maps, real-time rainfall and river-level observations, real-time road and river camera images, the Tochigi cycle routes, major congestion points, and urban planning information such as land-use zoning. The former Tochigi map information system closed on 31 March 2026.

A site introducing walking courses selected by Tochigi Prefecture. It carries 167 courses across the prefecture and can be searched by municipality, with distance, walking time, and characteristics given for each course.

Gunma Prefecture's integrated GIS for residents. Information the prefecture holds on safety and security, along with practical everyday information, is placed on an electronic map. Many fields are published — tourism facilities, environment, welfare, healthcare, disaster preparedness — with both desktop and smartphone versions.

The tourism digital map on Gunma Prefecture's official tourism site — a digital version of the prefectural tourism map introducing sights and attractions across Gunma. Spots are presented by theme (hot springs, nature, food, traditional culture), and landmarks in each area appear as illustrations on the map itself.

Walking courses supervised by Gunma Prefecture, with course maps arranged by the prefecture's four regions — central, northern, western, and eastern Gunma.

An integrated GIS where geographic information held by Saitama Prefecture — hazard maps, barrier-free maps and more — is browsable across seven categories such as childcare and daily life, and healthcare and welfare. Multiple maps can be overlaid, and most can be downloaded as CSV, Excel, or shapefiles. The service opened on 30 January 2024.

On the site of Saitama Prefecture's health mileage programme, a list of walking courses recommended by individual municipalities. Tokorozawa, Tsurugashima, Moroyama, Yokoze, Satte, Kasukabe and others appear, and some courses are refreshed with the seasons.

The prefecture's integrated map site, publishing Chiba's administrative and regional information online through maps and imagery. It holds maps across many fields, including urban planning information and buried cultural property areas, and since April 2022 data can also be downloaded across 24 categories such as the locations of prefectural institutions.

A walking map created by Chiba Prefecture's dietary improvement volunteers, who picked roads that are easy to use and easy to walk locally and built courses of roughly 10,000 steps each. There are 102 courses in all, with step counts, distances, and times given for the whole route and for each landmark segment. Copies can also be consulted at the Chiba Prefectural Archives.

A page on which the health promotion division of the Chiba Prefectural Government gathers the walking maps individual municipalities have made for themselves, to be used alongside the prefecture's own walking map.

An integrated map that gathers the map services held by the Tokyo Metropolitan Government's many bureaus into a single site, run jointly by the Bureau of Digital Services and GovTech Tokyo. Ten map layers spanning disaster preparedness, environment and nature, digital services, welfare, and waterworks can be freely combined and stacked on one screen. Three ready-made themes — protecting yourself from summer heat, preparing for an earthquake, and preparing for flooding — open with the relevant maps already combined. Layers include the Tokyo Heat Map, the Tokyo Damage Estimate Map, emergency water supply stations, TOKYO FREE Wi-Fi, and projected inundation areas. The full release began on 20 August 2026.

A portal run by the Tokyo Metropolitan Government Bureau of Public Health that gathers walking courses created by wards, cities, and other bodies into one place. 555 courses are registered and can be searched by municipality, by major rail line, or by purpose. Each course carries estimates of distance, walking time, calories burned, and step count, with the conversion assumptions (4 km/h, 70 cm per step, 60 kg body weight) stated on the site. Features such as "Tokyo Machi-sanpo" and "Try walking for 10 minutes", plus a search for what lies around each course, are included. An English version is available.

The viewer for the Digital Twin Realisation Project led by the Tokyo Metropolitan Government Bureau of Digital Services. Tokyo's buildings and streets are reproduced in 3D in cyberspace, and live river camera footage, real-time Toei bus data, and open data from metropolitan bureaus can be overlaid on the 3D city model. Alongside 3D city models of the special wards and the Tama area, it carries underground models of Shinjuku Station East and Tokyo Station. Three-dimensional point cloud data for the ward area (DSM, 0.25 m grid, microtopography renderings and four more, seven types in all) is free for secondary use for any purpose.

The Tokyo Metropolitan Government's official map for finding shelters and evacuation areas across the city. Alongside names and locations, it shows each shelter's opening status and crowding level during a disaster using five-step icons. Pages are available in several languages.

A service from the Tokyo Metropolitan Government Bureau of Urban Development publishing the main urban planning information for Tokyo on a map. Areas where plans have been decided — land-use zones, planned urban roads, urban rapid transit railways — can be browsed as schematic location maps.

A platform run by the Tokyo Metropolitan Government Bureau of Digital Services to promote the circulation and use of open data across Tokyo. It publishes GIS data for urban planning decisions (shapefiles produced by the Bureau of Urban Development, based on Tokyo's 1:2,500 topographic maps and the JGD2011 coordinate system), GIS data on greenery, and projected inundation area data.

The prefecture's integrated map site for viewing Kanagawa's map information online. It holds thematic maps across many fields — prefectural facilities, projected inundation areas, location maps of privately owned forests covered by the regional forest plan. Urban planning information is shown too, though for the exact land-use designations the site directs you to each city or town.

The map delivery service of the Kanagawa Prefecture open data catalogue, presenting the prefecture's open data in map form. A companion "Kanagawa Open Data 3D Map" is published on a subdomain of the same catalogue.

The walking-road information pages within "Kenko Niigata 21", the health promotion portal of the Niigata Prefectural Government's Health and Welfare Department, introducing walking courses across the prefecture.

A page where the Erosion Control Division of the Niigata Prefectural Government publishes the landslide hazard zones and special landslide hazard zones it has designated, along with the underlying survey results, as GIS data covering the whole prefecture. The zone data can be taken out as geographic information.

The prefecture's GIS site, publishing map information to which Toyama Prefecture holds the copyright. Three prefectural offices — lifelong learning and cultural properties, nature conservation, and environmental preservation — share the same map information, displayed over GSI base tiles.

The walking map on "Toyama Health Lab", the Toyama Prefectural Government's health promotion portal, introducing walking courses both indoors and outdoors.

A real-time river information system run by the River Division of the Ishikawa Prefectural Government Public Works Department. Water levels, rainfall, dam figures, weather, and landslide information are shown both as an overview map and as tables, with alerts issued when hourly or cumulative rainfall, or flood-risk water levels, are exceeded.

The digital map on Ishikawa Prefecture's official tourism site, run by the Ishikawa Prefecture Tourism League. Sightseeing spots, food, and accommodation across the prefecture can be browsed on the map and filtered by interest or means of travel.

A comprehensive river and erosion-control information system run by the Fukui Prefectural Government Public Works Department, providing a landslide hazard zone management system, flood hazard information, flood hazard maps, and landslide hazard maps on a map.

A system in which Fukui Prefecture publishes information on roads designated under the Building Standards Act on a map, opened up to make administrative information easier to grasp.

The WebGIS operated by Yamanashi Prefecture. It offers many layers — landform classification maps, borehole logs with ground and soil-test data, index maps, address search, and landmark search for police stations, public facilities, fire stations and railway stations. Smartphone and lightweight versions are available.

The map content on Yamanashi Prefecture's official tourism information site, run by the Yamanashi Tourism Organization. Tourism information can be explored with an overview map of the prefecture. The same site also publishes walking maps such as a guide to Yamanashi's castles and residences, and features on strolling and walking.

The integrated GIS run by the Planning and Promotion Department of the Nagano Prefectural Government. Bureaus inside the prefectural office share map information while also publishing it to residents online, covering mountain-disaster risk districts, steep-slope collapse risk points, designated landslide zones, erosion-control designated land, evacuation facilities, and forest-related information. Features include split-screen display, layer transparency, route search, KML export, and GPS location and address or facility search on the smartphone version.

A collection of walking courses compiled by the Health and Welfare Department of the Nagano Prefectural Government from 270 routes recommended by the prefecture's 64 municipalities, arranged by region and by municipality. Each course is classed as flat, slightly undulating, or undulating, with regional pages for Saku, Josho, Suwa and others.

A prefecture-wide integrated map site publishing Gifu's administrative and regional information online through maps and imagery. It falls under the prefecture's Information Systems Division, with operation and maintenance by the Gifu Prefectural Construction Research Center, and is used jointly by the prefecture and its municipalities. Layers across many fields, such as landslide hazard zones, can be displayed. Published maps may be copied and adapted provided the source is credited as "(c) Gifu Prefecture".

The map view of the landslide information portal published by Gifu Prefecture, where designated landslide hazard zones, special hazard zones, and other risk points can be checked on a map.

A page on which the Health Promotion Division of the Gifu Prefectural Government gathers entry points to walking courses created by the prefecture's municipalities — bridging to their courses rather than building its own.

The resident-facing public GIS within Shizuoka Prefecture's integrated geographic information system, which comprises an internal GIS and a public one. In service since 1 April 2011 as "Everyone's Hazard Map", it carries road ledgers, urban planning maps, landslide hazard zone maps and much more, under a policy of opening as much of it as data as possible.

An integrated GIS in which Aichi Prefecture places its location-related geographic information on an electronic map for residents and businesses. Layers are grouped under headings such as living and safety, learning and leisure, and prefectural administration, and can be combined freely into your own map. It holds landslide hazard zones, storm-surge inundation projections, tsunami hazard zones, and flood history maps, and also publishes a red relief image map.

A site making the geographic information published on Map Aichi downloadable in machine-readable formats such as GIS-ready zipped shapefiles.

A service in which Mie Prefecture publishes location-related information over base maps. GIS was introduced in fiscal 2002, the service has run as Mie Click Maps since fiscal 2013, and it was renewed in fiscal 2019. Multiple maps are available through a map gallery, and open data can be downloaded from the data catalogue. The map information is provided under CC BY 4.0.

Walking maps published by "Mie no Rekishi Kaido", Mie Prefecture's cultural site, carrying course maps for walking the province's historical highways.

A disaster information map system published by Shiga Prefecture. The system includes a GIS data download page, from which data can be taken out in shapefile format.

An integrated GIS in which Kyoto Prefecture and every municipality within it publish their map information together through a single system, in service since 1 February 2008. Alongside shelter, AED, and emergency medical maps, it carries a wide range of location data including World Cultural Heritage sites and bear sightings. On smartphones and tablets, GPS centres the search for facilities on where you stand. Desktop, mobile, and smartphone versions are provided.

A system in which Osaka Prefecture publishes urban planning information and cultural property information on a map for the prefecture excluding Osaka City and Sakai City. It is operated as part of the prefecture's project management.

Hyogo Prefecture was the first in Japan to publish high-precision 3D geospatial data (point clouds) at 1 m mesh covering its entire area, with finer 50 cm mesh data released for mountainous districts.

Hyogo Prefecture publishes information on road categories under the Building Standards Act and related matters on an online map.

A system in which Nara Prefecture publishes disaster risk information such as landslide hazard zones on a map (formerly the landslide disaster prevention information system), managed by the erosion control and disaster prevention section of the prefectural land management department.

The prefecture's integrated map system publishing the geographic information Wakayama Prefecture holds. It includes 3D point cloud data and a 3D web viewer, and since 1 March 2023 point cloud data from airborne laser surveying covering roughly 65% of the prefecture's area has been released as open data. Layers such as privately owned forest areas can also be viewed.

An inter-municipal integrated GIS launched in 2026 through cooperation between Tottori Prefecture and 13 municipalities within it. It carries data across many fields at once: tourism, events, childcare support, a bear sighting map, cultural properties, disaster preparedness, crime and accidents, public facilities, medical facilities, environment, and forests.

A system in which Tottori Prefecture provides regional and administrative information online through maps. Alongside public facilities and municipal offices, hospitals and waste treatment facilities can also be found.

A web GIS for searching and browsing administrative map information from Shimane Prefecture and its municipalities. Built as the prefecture's integrated GIS, it gathers map information from across the prefectural government — welfare, disaster preparedness, agriculture and forestry — and can display it over base maps or aerial photographs. Residents can also contribute map information of their own. The underlying topographic and road network data is published on Shimane data eye.

A prefecture-wide integrated GIS built by Okayama Prefecture and in service since April 2002. It publishes disaster information (shelters, suitable helipad sites, rainfall and water-level or tide gauges), seismic intensity maps, liquefaction risk maps, tsunami inundation projections, projected inundation areas, landslide hazard zones, land use, ground data, irrigation ponds, cultural properties, and EV charging facilities. An "Okayama Original Map" feature lets you build your own map over aerial photographs or base maps.

A portal run by the Erosion Control Division of the Hiroshima Prefectural Government that provides, on a map, landslide risk locations together with the hazard zones and special hazard zones designated under the Sediment Disaster Prevention Act.

A portal on which Yamaguchi Prefecture maps the landslide hazard zones and special landslide hazard zones it has designated on the basis of survey. Evacuation sites and facilities used by people needing assistance are shown alongside them.

A system in which Yamaguchi Prefecture provides rainfall, water level, and landslide warning information on a map, together with rain gauges, water-level gauges, dams, simplified water-level gauges, and river surveillance cameras.

The comprehensive portal for maps published by Tokushima Prefecture. It offers a range of maps in one stop and can display several of them stacked together. Locations such as emergency power equipment for use during disasters are included.

An integrated map system published by Kagawa Prefecture. It offers layers for roads, disaster preparedness (inundation, landslides, seismic intensity maps, liquefaction risk projections), the Embankment Regulation Act, and municipal boundaries, and can use OpenStreetMap as a backdrop.

A site on which Ehime Prefecture provides information about urban planning and embankment regulation within the prefecture on an accessible online map.

An information map on sediment disasters published by the Public Works Department of the Ehime Prefectural Government, letting you check on a map where landslide risk lies.

The disaster mapping published by Kochi Prefecture. It carries flood and landslide disaster maps, projected inundation areas for designated rivers, landslide hazard and special hazard zones, mountain-disaster risk districts, and designated erosion-control, landslide, and steep-slope areas — along with a three-dimensional hazard map.

A system through which Fukuoka Prefecture presents the varied information it holds on an online map for residents. Two base maps — Google Maps and the national digital base map — can be switched between. Thematic maps include prefectural institutions and prefectural facilities.

A site on which Saga Prefecture publishes its disaster and emergency information online through maps. The prefecture also runs a separate river system, "Suibo-kun", for water-level gauges and advance traffic restrictions.

The river and erosion-control information system run by Nagasaki Prefecture. It provides rainfall, river level, and landslide information, dam data, flood risk distribution maps, and real-time camera images on a map, with a smartphone version also published.

A service launched on 1 April 2024 that brings disaster and tourism information onto a single map. Data held by the prefecture, municipalities, and private operators is displayed together, and it is operated jointly by Kumamoto Prefecture and its municipalities (21 of them in fiscal 2025). It follows the platform standards recommended nationally and exchanges data through APIs.

A system through which Oita Prefecture publishes online the maps showing the locations of landslide hazard zones and related areas.

A map showing the landslide hazard zones, special hazard zones, and landslide risk locations within Kagoshima Prefecture. The prefecture also publishes rainfall, water level, and weather information, along with the snake-curve diagrams that set the criteria for issuing landslide warnings.

A site on which Okinawa Prefecture publishes regional and administrative information online through maps, covering the locations of administrative institutions, prefectural housing, prefectural urban parks, municipal information, and tsunami inundation projections. GIS data download became available in fiscal 2020, and on 8 March 2023 a policy on using geospatial information within the system was adopted. A prefectural GIS open data catalogue is also provided.

The city's map service bringing together urban planning, roads, disaster information (shelters and evacuation areas), outdoor advertising, and district plans. It merged the previously separate urban planning service and the city disaster map, relaunching on 29 June 2018.

A portal through which Hanamaki City publishes urban planning, roads, sewerage, hazard maps, public facilities, and the locations of childcare support facilities online.

A site on which Sendai City provides facility information and disaster-related information on an electronic map. The city separately publishes an urban planning information service, and releases its land-number maps as open data in shapefile format.

A digital tourism map created by Koriyama City, built around high-quality 360-degree panoramic footage and video shot by drone so that the feel of each place comes through.

A service on which Saitama City publishes public facilities, daily life, urban planning, and landslide hazard maps. Past flood history can also be checked by clicking on the map.

Chiba City's integrated GIS for publishing administrative map information accessibly. The city separately runs a map information system, in service since 1 April 2018, publishing road categories under the Building Standards Act, the certified road network, residence promotion areas under the location optimisation plan, regulated housing-development areas, and public control points.

A portal providing the urban planning that concerns Chiyoda City on an online map. The whole ward can be shown at once, or the display switched layer by layer. Since December 2025 it has also published GIS-based road ledger plans.

A system letting users search Chuo City's urban planning information such as land-use zoning. Land boundary maps, road ledger plans, public control points, and cadastral survey histories can also be checked.

A service providing Minato City's urban planning information on a map. Clicking a point brings up its details, including land readjustment and urban redevelopment projects. The ward separately gathers barrier-free and hazard maps under a "find by map" page.

A system on which Shinjuku City publishes layers such as road ledger plans, urban planning information including land-use zoning, and townscape planning information. It is viewable from smartphones and mobile phones too.

Bunkyo City's search system for urban planning information, with topographic maps, road network maps, and railway network maps, viewable from smartphones and mobile phones.

The system through which Taito City publishes urban planning and other information on an online map. It covers ward facilities and parks, urban planning information such as land-use zoning, floor-area ratios and height districts, road administrators, route numbers and certified road widths, road categories under the Building Standards Act, and the AEDs available to the public within the ward.

Sumida City's map providing urban planning and road information through GIS. The ward also publishes GIS data in shapefile format for urban planning such as zoning, development permission areas, landscape planning zones, ward housing, designated road maps, flood history for roads and parks, and buried cultural property information.

The public GIS through which Koto City publishes the ward's map information online.

A service on which Shinagawa City publishes administrative and regulatory information online through maps and imagery, relaunched on 20 January 2021. Address search brings up information for a given plot at once, and zoning designation maps and road ledger plans are available. It can also generate your own guide map.

Meguro City's published map information service, spanning many themes: district maps, designated road maps, current-condition road ledger plans, development permission areas, landscape formation standards, locations where narrow-road widening has been completed, barrier-free maps, and urban planning facility maps. It works from desktop and smartphone alike.

The system through which Ota City publishes administrative information on an online map. Urban planning information such as land-use zoning and map information on road categories under the Building Standards Act are available, with desktop and dedicated smartphone versions.

A service in which Setagaya City uses GIS to present public facilities, urban planning information, and sightseeing spots on an electronic map, adapting its display for smartphones and tablets. The ward separately publishes over thirty GIS datasets as open data — public facilities, AEDs, cultural properties and more — downloadable as Esri Shapefile, CSV, or KML, with GeoJSON and REST APIs.

The system through which Shibuya City publishes administrative information on an online map. Alongside urban planning information in GIS form, it publishes road ledger plans, ward passage plans, route maps, land boundary determinations, and road area confirmations. The ward also advances open data publication through SHIBUYA OPEN DATA.

A site on which Nakano City publishes administrative and community information accessibly on maps — road categories under the Building Standards Act, parks, public toilets, cycling, published land prices, urban planning and more. The map information is free to download and use as open data.

The electronic map service Suginami City officially operates, handling digital map data and ground elevation survey data. The ward has run both an internal integrated GIS and a public GIS for residents; from fiscal 2026 it begins operating a single unified GIS combining the two.

The system through which Toshima City lets users check the ward's varied information on a map using GIS — public facilities, childcare facilities, nearby play areas, parks, emergency medical institutions, community cat activity, and ground survey data such as borehole logs. The ward's use of GIS has been recognised as a leading example of statistical utilisation.

The system through which Kita City of Tokyo provides the ward's map information online. The ward separately publishes land-use zoning search and urban planning maps on the web.

The system through which Arakawa City publishes regional and administrative information on an online map. The ward also issues "Guide Map Arakawa", marking public facilities and government offices on a 1:8,000 map alongside the ward's history, outline, and transport routes.

A system letting users find facility locations on an electronic map in Itabashi City. Clicking an icon brings up the facility's information and a link to its website. Part of what is published here is also offered as open data in CSV form.

Walking maps compiled by Itabashi City from a cultural and tourism perspective. The ward also issues a tourism guide map.

The system through which Nerima City publishes information useful in daily life — ward facilities, roads, parks — on a map. Categories span ward offices, health and welfare, hospitals and AEDs, environment and cleaning, transport, disaster preparedness, children, schools, culture and learning, community, parks and sports, farm plots, urban planning, road networks, and landscape zones. It was relaunched on 3 December 2024 with a new URL.

A service on which Adachi City publishes administrative and regulatory information online using maps and imagery, managed and operated by the ward's information systems division.

A service through which Katsushika City provides online the ward map information it has built with its GIS. Land-use zoning, building coverage ratios, and floor-area ratios can be looked up.

A service through which Edogawa City provides the ward's map information online, usable from smartphones. The ward separately runs a designated road information service for urban planning and the Building Standards Act, and publishes map data as open data.

The collective name for five systems through which Yokohama City publishes regional and administrative information on maps. The core system, i-Mappy, publishes urban planning decisions such as land-use zoning together with restrictions under the Building Standards Act. Study began in fiscal 2000, publication followed in fiscal 2002, and coverage has expanded since.

Kawasaki City's public GIS for residents, presenting public facilities, tourism, welfare, and disaster information accessibly on maps. Layers include land-use zoning and regulations, flood hazard maps, road and waterway ledgers, public control point networks, and a geological map collection.

Sagamihara City's public GIS for viewing and printing the city's map information online. Urban planning information such as land-use zones and planned urban roads can be checked from the urban planning designation maps, and several layers can be printed together.

Walking course maps compiled by the Health and Social Welfare Bureau of Yokohama City, ranging in character from a route along the old Tokaido to forest trails and waterside walks.

A GIS Niigata City publishes for residents, visitors, and businesses. Public facilities, disaster information, roadside land values, and urban planning can be checked on the map, with search by address or facility name and measurement of distance and area. The city offers its GIS data as open data under CC BY 2.1 Japan and publishes 1:2,500 topographic map data.

Matsumoto City's public GIS. GPS on a smartphone or tablet brings up the map around where you stand, with facility and route search nearby. The city separately produces walking maps for 35 districts under its "citizens walking" campaign, noting local features such as wells, wayside shrines, and historic sites.

An integrated GIS gathering the geographic information Shizuoka City holds — locations of public facilities, designated urban planning and disaster areas, and tourism and welfare facilities. It carries twenty categories including public facility locations, hazard maps, and neighbourhood association areas. Published on 31 January 2025, its geographic information is offered as open data usable without formality.

The map site through which Hamamatsu City publishes its urban planning map, road maps (route certification, current-condition plans, designated roads), and land-number maps. Water and sewer pipe information has since been added.

Nagoya City's GIS publishing urban planning information online through maps and imagery. Alongside land-use zones, height control districts, and fire-prevention districts, it carries urban planning base maps, photo maps, aerial photographs from 1955 to 2005, and earthquake risk assessment maps.

A service letting users view and print urban planning and townscape information for Kyoto City on a map. It entered service on 18 March 2026, taking over from the city's former urban planning information search portal.

Osaka City's map information site, providing the city's map information — urban planning among it — online.

A site on which Sakai City publishes regional and administrative information online through maps. The city also releases map data at information level 2500 as the product of public surveying under the Survey Act.

The system through which Kobe City publishes its administrative information on maps, covering evacuation sites, hazard maps, AEDs, gathering places for older residents, and elementary school districts. Urban planning information such as land-use zones and planned roads and parks can also be searched here.

Okayama City's guide to the map information it publishes online, from which the city's maps — urban planning among them — can be reached.

The integrated GIS Hiroshima City introduced for residents, letting them obtain public facility, urban planning, and disaster information efficiently online. It has been in service since 1 October 2012.

A regional information portal built on a GIS created jointly by five local governments — Kitakyushu, Nogata, Yukuhashi, Kawara, and Kanda. It went live on 22 October 2013, and Kurate joined in fiscal 2016, bringing the total to six. Since fiscal 2019, base maps, topographic maps, and urban planning summary maps have been provided free of charge.

The map site through which Fukuoka City publishes its map information online.

A service letting users view Isahaya City's administrative information such as road ledger maps, together with public facilities, on a map. Topographic maps, Google Maps, or aerial photographs can be chosen as the backdrop.

A service letting users view Kumamoto City's administrative information — urban planning maps, route network maps and the like — along with public facilities on a map. Topographic maps, Google Maps, and aerial photographs can be chosen as the backdrop, and Street View is available.

Cross-search government statistics. The first stop for "numerical evidence" in your inquiry report.

An entry to the background and disclosures of base statistics such as the National Census.

Visualizes population, industry, tourism, and more by prefecture / municipality with maps and graphs. Strong for forming "why?" questions about regional differences.

A catalog to find ministerial open data at the "dataset level".

Cross-search and visualize MLIT-related data.

Money, prices, foreign exchange, and flow of funds — core numbers for the Japanese economy, published officially by Japan's central bank with time-series search and an API. Sound evidence for tracing long-run change.

Japan's official figures on energy supply and demand, published as primary information. Covers renewables, fossil fuels, electricity, and consumption — indispensable evidence for climate and energy-policy inquiry.

Official numerical readings on Japan's environment — air, water, greenhouse gases, and chemical substances — published as a primary source. Operated by the National Institute for Environmental Studies (NIES) for research and education use.

The Cabinet Office think tank that officially publishes Japan's quarterly GDP, leading indicators, and the Annual Report on the Japanese Economy. Lets you verify the primary source behind policy discussions and serves as a starting point for policy-economy inquiry.

Japan's window for GBIF, the international framework for sharing biodiversity information. Publishes distribution and specimen data from Japanese museums and research institutions globally. Connects local nature observation to the same-species data worldwide.

The national institute that officially publishes surveillance of infectious diseases, pathogen information, and outbreak predictions. A primary source for treating infectious diseases as "a social phenomenon checkable with data" rather than emotion.

The Japanese national research institute that publishes the official projections of future population, household structure, and social security. A primary reference when discussing aging, low fertility, or regional demographic change.

An official dashboard jointly built by the Cabinet Office, the Digital Agency, and the Cabinet Secretariat that exposes about 1,000 indicators at the prefecture and municipality level. Indicators span population, economy, social security, education, living, social infrastructure, and local public finance — and can be viewed on a map, compared across regions, plotted as two-indicator relationships, or trended against four indicators side by side. Functions as a single entry point to Japan's regional differences that pairs well with e-Stat and RESAS.

Old maps, classics, books, magazines. Direct access to primary sources.

A national integrated platform, with the National Diet Library at its core, that cross-searches digital materials of museums, libraries, archives, and universities. Themed "Galleries" are also rich.

For materials not in the Digital Collections, search "holdings" and head to a library.

A "how to research" guide by theme from the NDL. Bibliographies, field-specific guides, and reference lists are abundant — usable as a starting point for teachers researching materials for inquiry lessons.

Browse Japan's public records as primary sources. A basis for institutional and political history.

Modern records of Japan and Asian relations. The catalog is powerful.

Full-text search of newspaper articles from Meiji to early Showa. Trace public opinion, events, and social conditions in modern history.

An official archive that traces the history of broadcasting. From programs, chronologies, and themes, build an entry to background understanding and primary sources (footage).

Footage that recorded society of the time as a primary source. Read it including the perspective of reporting (what is shown, what is not).

An entry to primary sources (public records) on the administration, policy, and urban formation of Tokyo. Trace modern municipal/social/economic change with evidence.

Cross-search excavation reports and reach the primary source (the report) that provides the evidence.

Ideal for practicing reading images as primary sources.

Japan's sole national film institution, preserving domestic films and newsreels. Its official search makes the holdings available as a primary source for reading the "way society was seen" at the time of production.

A cross-disciplinary database suite from an Inter-University Research Institute dedicated to Japanese history and folklore. Folklore, archaeology, old documents, and modern history are all searchable — use it together with integrated-resource-studies (khirin) for maximum depth.

The official cross-search portal centred on the National Museum of Japanese History, covering university, museum, and municipal historical resources. IIIF-enabled image comparison, combined with the Rekihaku DBs, makes it a core entry point for Japanese history research.

The Imperial Household Agency's official archive holding imperial and agency documents, gyobutsu (imperial treasures), and premodern records. A starting point for tracing the primary sources of the modern imperial institution and court rituals.

The current entry point integrating databases such as the New Database of Pre-Modern Japanese Works, run by the National Institute of Japanese Literature. High-resolution images of manuscripts, printed books, and illustrated books — a shared base for classical Japanese literature and historical research.

A public archive aggregating women's history, gender policy, and related statistics. Lets you search primary sources, policy papers, and statistics in one place — essential entry point for gender and family-history inquiry.

A public archive holding records of Okinawa from the Ryūkyū Kingdom through the US administration and post-reversion periods. Easy to pair with US NARA holdings on Japan, making it a strong primary-source entry point for modern Okinawan history.

A prefectural archive that comprehensively handles Kyoto's old documents, historical maps, administrative records, and publications. A "place-rooted primary-source" starting point for regional history and cultural-heritage research.

A large-scale repository of the National Archives of Japan for modern public records. Alongside the Tokyo main branch, an essential archive for modern Japanese political and administrative history, used mostly by universities and researchers.

The Ministry of Defense's official research institute preserving former Army / Navy war records and publishing contemporary security studies. With JACAR, lets you reach primary sources of military and war history.

The U.S. national archives. Publishes over 200 million digitised pages, including not only U.S. primary records but also documents on Occupation-era Japan and the U.S. military — vital for Japanese history research. Use the dedicated catalogue to search.

Germany's federal archives. Holds federal-level records from the Imperial, Weimar, Nazi, East / West German, and contemporary periods. Essential primary-source entry for 20th-century German and international-relations history.

The national archives of France. Holds central-government records from the Ancien Régime through the Republic and modern period; invaluable for French Revolution, colonial, and diplomatic-history primary sources.

The official directory of world national archives maintained by the National Archives of Japan. Cross-trace counterparts by country / region — a hub for international comparison and multilateral history research.

The national library of the UK. Holds a world-class collection including manuscripts, maps, and codices, and publishes many digitised materials. Strong as a primary-source entry point for world history, cartographic history, and bibliography.

The Vatican Apostolic Library's digital manuscripts and rare books. Medieval European, Byzantine, and Asian-related materials are viewable in high resolution — first-rate primary sources worldwide.

A public cross-search portal centred on the National Library of Australia, covering AU / NZ records, newspapers, images, and maps. Rich in colonial, Pacific-War, and Indigenous-related primary sources.

Run by the National Library of New Zealand, this portal cross-searches cultural materials from NZ museums, archives, and libraries. Also handles Māori culture, settler history, and war-related materials.

Korea's National Central Library. Digitisation of primary sources on modern Korean and Joseon history is advancing, with many Japanese-language materials as well. Essential for bidirectional inquiry into Japan–Korea relations.

A shared digital library run by U.S. research-library consortia. Makes public a vast body of full-text-searchable digital materials, mostly out-of-copyright books. A standard base for researchers worldwide to cross-reference primary and secondary sources.

A pioneering project that digitises and freely publishes out-of-copyright books worldwide. Over 70,000 classics and landmark works available in full text. Useful for confirming originals when using scholarly translations.

A meta-link list covering all of Japan's prefectural and municipal archives, records offices, and historical-materials repositories. The shortest path to your own region's archive.

Cross-search of four national museums, two research institutes, and Sannomaru Shozokan.

Image search of artifacts held at the Tokyo National Museum.

Comprehensive database of Japan's intangible cultural properties from the Tokyo National Research Institute.

Local history digital platform covering 188 institutions, 1.11 million catalog records, and 300,000 content items.

300 maps showing geographic distribution of dialects, published as PDFs.

300 maps showing the geographic distribution of grammatical features in Japanese dialects, as PDFs.

CODH's GIS map linking historical place names to modern geography.

Historical place name dataset from the National Institutes for the Humanities.

Integrated search across historical place name datasets using the GeoShape spatial data repository.

Scholarly databases from the University of Tokyo's Historiographical Institute — the core of Japanese historical research.

Japanese historical terminology with English translations, compiled by UTokyo's Historiographical Institute.

The largest library in the world — primary sources, digital collections, and research guides.

Cross-search digital collections from US libraries, archives, and museums in one portal.

Germany's national digital library portal cross-searching cultural and scientific heritage institutions.

Classical works including The Tale of Genji, Essays in Idleness, and Tales of Ise, released for elementary–high school education.

Comprehensive database of classical Japanese texts from Waseda University Library.

Search the collection of the Kyoto National Museum online.

25 audio recordings in Saru Ainu dialect by speaker Ueda Toshi, with PDFs, MP3s, and picture books.

Confirm laws and ordinances as primary information. Effective dates and revision history are crucial.

Trace "who said what, on what basis".

Primary source for "when and what was officially announced" in Japan — notifications and public notices. Since April 2025 the electronic edition is the authentic, official version; recent issues are freely readable online.

From solicitation of opinions → results → laws and notifications. Trace the flow of policy formation.

Trace points of contention and reasoning.

Japan's official archive preserving diplomatic records and treaty originals from the Meiji era onwards. A primary source you can go to directly, for the evidence behind modern international relations, security, and treaties.

The official database maintained by the United Nations for multilateral treaties and bilateral agreements. Adoption date, entry into force, and full state-party lists are available as primary information for international law. Mostly English, but navigable through treaty names and state-party tables.

The unified official portal to search EU law, treaties, and case law. Lets you trace how EU regulations and directives correspond to member-state domestic law — a starting point for comparative legal-system inquiry.

WIPO's official database that cross-searches national IP laws and international treaties. A primary source for international comparison of copyright, patent, and trademark.

The UN's principal judicial organ. Publishes judgments, advisory opinions, and filings in their original texts. Lets you read the intersection of inter-state disputes and international law in primary-source form.

The official database of the UN treaty bodies monitoring implementation of human rights treaties. Cross-search state reports, committee observations, and individual-communication decisions by treaty and country.

The National Diet Library's index to historical and current Japanese laws and ordinances.

Database of historical Japanese laws compiled by Nagoya University — for tracing legal change over time.

Build a "trail" from abstracts, keywords, and references.

Useful for academic verification. Cross-disciplinary.

Learn the ideas of digitizing sources and metadata.

High-quality issue summaries. From here, drop down to primaries.

A world-standard open-access preprint server for physics, mathematics, and computer science, where researchers post their latest papers directly. Operated by Cornell University, with free full-text access.

The world's largest literature-search system for medicine and life sciences, run by the U.S. National Library of Medicine (NLM), part of the National Institutes of Health (NIH). Over 30 million records, freely searchable.

An international repository operated by CERN (the European Organization for Nuclear Research), offering free preservation and sharing of research data, papers, and software — with DOIs automatically minted so the records are citable.

A non-profit, curated whitelist of peer-reviewed open-access journals from around the world. A reliable starting point that lets you avoid predatory journals when searching open-access literature.

A national research institute under MIC publishing research outcomes and official data on radio propagation, space weather, multilingual information, and cybersecurity. The space-weather forecast pages are also useful for earth-science inquiry.

RIKEN, Japan's comprehensive science research institute, publishes research outcomes, press explanations, and open data. Lets you follow the frontiers of basic science through primary materials and official videos.

A core institution of Japanese statistical science. Handles research and published data on the Study of the Japanese National Character, statistical learning, and data science. An official reference for how statistical inquiry is structured.

The core institution of Japanese-language research. Publishes official data on corpora, dialects, and linguistic atlases. A research base for Japanese-language and linguistic inquiry into vocabulary, grammar, and usage.

An independent administrative think tank under METI, publishing policy data, discussion papers, and statistical analyses. A first reference for policy and economic-history research.

Japan's official fisheries research agency, in charge of stock assessment, fishing-ground environment, and marine-biology surveys. Lets you read local fisheries and ecosystems as primary information from both ocean and food angles.

The life-science preprint server bioRxiv (run by Cold Spring Harbor Laboratory) and the medical preprint server medRxiv (BMJ / Yale / Cold Spring Harbor). The international standard for fastest access to pre-peer-review papers.

An international working-paper / preprint platform centred on social sciences (economics, law, policy, management). Lets you catch the global frontier of policy-oriented research early.

Run by the UK Open University, one of the world's largest open-access paper aggregators. Access to over 30 million full texts — lets you quickly find papers across disciplines with text available.

An international registry that assigns a unique ID to each researcher, linking works and outputs to the person unambiguously. Lets you follow a researcher's record across name changes and common names.

Over 230 million biodiversity observation records worldwide. Citizen science platform linked to GBIF.

Official academic society for geography in Japan — journals, research, and educational resources.

Official academic society for geology — journals, field guides, and educational content.

A starting point for international comparison. Confirm definitions → re-pull Japan's figures from e-Stat.

A representative source of national development indicators. Beware of missing values and estimates.

Stronger when you can also explain "why these comparison countries".

The more you can read assumptions (currency, base year, etc.), the stronger your analysis.

An entry to handle global-scale data.

The International Energy Agency (IEA) publishes official country-level data on energy supply and demand, the power mix, and CO2 emissions. A standard reference for comparing policies across developed economies, and strong evidence for climate and energy inquiry.

Official statistics run by the UN's Food and Agriculture Organization (FAO), covering global agricultural production, food security, land use, and forests. Commodity-by-commodity long-run time series let you compare food and farming across the world.

Official global data on health, disease, health workers, and infectious disease, published by the World Health Organization (WHO). Clearly mapped to SDG 3, making it the baseline for health- and medical-policy inquiry.

Official global statistics from the UN specialized agency ILO — labour, employment, wages, and gender. Lets you compare working conditions across developing and developed countries on a single platform.

Official trade statistics compiled by the UN Statistics Division from member-state governments, covering trade volumes and values by country, commodity, and partner. Lets you verify bilateral relationships and global-economic structure as numbers.

The consolidated scientific assessment reports on climate change by the IPCC, published together with the governments-approved "Summary for Policymakers". The most trusted international evidence for climate-change inquiry.

The official database run by the Federal Reserve Bank of St. Louis, visualizing more than 800,000 economic time series. Lets you compare U.S. and world economic indicators across decades on one interface.

Official international statistics on trade, investment, and maritime shipping published by UNCTAD, covering developing countries as well. Enables international comparison that includes the Global South, not just advanced economies.

The IAEA's official database of nuclear reactor operation, shutdown, and construction worldwide. Essential for international comparison of energy policy and nuclear safety.

The UN Refugee Agency's central database of official statistics on refugees, IDPs, and stateless persons worldwide. An international baseline for handling refugee issues with numbers rather than emotion.

The EU's official statistics office, publishing standard statistics with definitions aligned across member states. The standard entry point for intra-EU comparisons and for comparisons with the EU, covering economy, population, and environment.

Official statistics on international finance, FX, and credit published by the BIS, often called "the bank of central banks". Useful for visualising cross-border capital flows and financial imbalances.

Open data published by the ADB on economy, development, poverty, and climate in Asia-Pacific. A usable international-organisation dataset for comparisons across East / Southeast / South Asia.

The AfDB's official data portal on Africa's economy, population, infrastructure, and climate. A starting point for international comparison of African countries.

The official economic and social statistics database for Latin America and the Caribbean, published by ECLAC. Gives comprehensive coverage of data that is often missing when comparing Japan with LAC.

The U.S. federal statistical agency in charge of population and economic censuses. Publishes the decennial census, the American Community Survey (ACS), and business statistics. A reference point for comparison with Japan's population and economic censuses (MIC).

The UK's official statistics office, publishing the census, labour, prices, and GDP in one place. A model of European-standard statistics, usable as a comparison point for Japan.

The English / German portal of Germany's federal statistical office. Publishes official census, economic, population, and environmental data. Under the EU statistical system, consistent with Eurostat.

INSEE's English / French portal. Publishes the census, labour, prices, and regional statistics. In addition to EU standards, handles social indicators specific to the French community.

Italy's national statistical institute. Publishes official data on population, economy, and society. As a Southern European model case, it helps confirm diversity within Europe.

Canada's official statistical agency (English / French bilingual). Publishes statistics on population, economy, labour, and Indigenous matters. A federal and multicultural country's data — suggestive when compared to Japan.

Australia's official statistical agency. Publishes statistics on population, economy, society, and environment. As a Southern Hemisphere developed-country dataset, it helps read common ground and differences with Japan via geography and climate.

Korea's official statistical agency. With a well-maintained English portal, it is an easy neighbour to pair with Japan for population, economy, labour, and family comparisons.

Taiwan's official statistical agency. Publishes data on national income, labour, prices, and households. Usable for East-Asian comparison with Japan and Korea as official statistics.

China's official statistical agency. The English edition publishes major macro indicators. A starting point for referencing the dynamics of a very large economy in primary form.

A directory maintained officially by Japan's Statistics Bureau (MIC) linking to statistical agencies in countries around the world. Works as a comprehensive hub for navigating national statistical offices in international-comparison inquiry.

An international public platform integrating over 2.3 billion species-distribution and specimen records provided by museums and research institutions worldwide. Used alongside the Japan node (JBIF), it lets you verify species distributions on a global scale.

The official Red List of threatened species worldwide, run by the International Union for Conservation of Nature (IUCN). Centralises assessment categories, distributions, and threat factors per species — the international standard for conservation inquiry.

A series of short training videos produced by the National Institute for School Teachers and Staff Development (NITS) for use in in-school training. Specialists explain class management, lesson design, and student guidance. New teachers can use them for self-study; experienced teachers use them as material for school-based professional development.