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NXS-GRX-JPN · Eastern Asia · Regions

Kochi Prefecture

First-level unit, Japan: people, area, the units inside and neighbours, with risk values when released.

Page GRX-JPN-REdition Baseline Edition 2026Evidence close 2026-09-30ISO JPN / JPStatus UN member stateValues not yet publishedMethod v1.0.0-draft
633,400
people (GHSL 2025)
7,105 km²
area
0.5%
of Japan
34
units inside

01Map

Inside Kochi Prefecture

The 34 ADM2 units of Kochi Prefecture.

FIG 1 · 34 units inside Kochi Prefecture
Loading the map

Units rise with people per km² · GHSL 2025 raster · terrain · ADM1 ADM2Risk values when released
Lowest fifthLow fifthMiddle fifthHigh fifthHighest fifthNo data
Column height and colour show people per km² by unit, in quantile fifths among the units shown (the key on the map gives the breaks); units with no people on the grid are grey, not the lowest class; the raster beneath is the GHSL 2025 population grid. Source observations, not index values. Select a unit to drill into the units inside it; the path above the map climbs back.
02Figures

People, area and density

Source observations from open grids summed inside the boundary; not index values.

People · GHSL 2025

633,400

0.5% of Japan.

People · WorldPop 2025

597,629

-6% against GHSL; the two grids differ in method.

பரப்பு

7,105 km²

89 people per km².

குறியீடு

JP-39

Subdivision code as carried by the boundary source.

Low coastal zone

111,428

people on land at or below 10 m, 17.6% of the unit (GEBCO 2024 and GHSL 2025).

03Units

34 units inside Kochi Prefecture

Each unit has its own page.

Boundary licences: Open Data Commons Open Database License 1.0 · Creative Commons Attribution-ShareAlike 2.0.

Unit குறியீடு People (GHSL) People (WorldPop) Area km² Per km² Share Coast ≤ 10 m
Aki – 18,486 14,341 317.04 58 3% 1,592
Geisei – 94 124 39.84 2 0% 173
Hidaka – 4,031 3,211 44.85 90 0.6% 0
Ino – 22,866 18,761 471.19 49 3.7% 554
Kami – 24,392 23,690 537.88 45 3.9% 0
Kitagawa – 410 309 196.24 2 0.1% 0
Kochi – 275,909 288,373 308.79 894 44.1% 83,072
Kounan – 18,303 19,061 126.72 144 2.9% 1,627
Kuroshio – 2,699 2,540 188.39 14 0.4% 0
Mihara – 1,718 1,467 85.4 20 0.3% 0
Motoyama – 3,985 2,639 134.43 30 0.6% 0
Muroto – 8,300 6,028 248.44 33 1.3% 105
Nahari – 5,934 4,978 28.35 209 0.9% 728
Nakatosa – 7,452 5,194 193.13 39 1.2% 108
Nankoku – 65,502 67,837 125.35 523 10.5% 14,518
Niyodogawa – 5,880 3,545 333.19 18 0.9% 0
Ochi – 3,531 2,654 111.38 32 0.6% 0
Okawa – 345 349 94.86 4 0.1% 0
Otoyo – 4,140 2,159 315.04 13 0.7% 0
Otsuki – 3,662 2,493 101.83 36 0.6% 9
Sakawa – 15,142 12,909 101.31 149 2.4% 0
Shimanto – 36,534 33,433 632.28 58 5.8% 4,566
Shimanto – 15,418 11,445 642.64 24 2.5% 4
Sukumo – 17,658 13,343 285.39 62 2.8% 1,633
Susaki – 15,079 11,211 134.63 112 2.4% 1,145
Tano – 1,503 1,254 6.7 224 0.2% 0
Tosa – 19,897 19,078 91.62 217 3.2% 2,070
Tosa – 3,980 3,489 212.24 19 0.6% 0
Tosashimizu – 11,867 7,748 265.76 45 1.9% 340
Touyou – 2,472 1,605 74.24 33 0.4% 105
Tsuno – 3,555 2,856 198.2 18 0.6% 0
Umaji – 895 518 165.34 5 0.1% 0
Yasuda – 606 524 53.31 11 0.1% 0
Yusuhara – 3,931 3,064 236.47 17 0.6% 0
04வெளிப்பாடு

Open exposure layers

Count of H3 resolution-3 cells whose centre falls in the unit and that carry each Natural Earth layer.

Urban areas
608.8 H3 cells
Ports
1 H3 cells
Airports
None at this resolution
Major roads
201.3 H3 cells
Railways
172.5 H3 cells
Rivers and lakes
None at this resolution
05இடர்

Risk values

Values when released. Subnational risk values for Kochi Prefecture publish with the edition from The Global Risks Index. Until then, run a scenario on open data for Japan.
06Neighbours

Neighbouring units

07மூலங்கள்

Sources, credits and licences

ADM1 boundaries
geoBoundaries (William & Mary geoLab), gbOpen JPN ADM1, source: OpenStreetMap, Wambacher © OpenStreetMap contributors, licence: Open Data Commons Open Database License 1.0 (share-alike: this boundary layer is offered under the same licence) · source · represents 2017. Offered under the same licence (Open Data Commons Open Database License 1.0), kept as its own layer and not merged into other data.
ADM2 boundaries
geoBoundaries (William & Mary geoLab), gbOpen JPN ADM2, source: OpenStreetMap, Wambacher © OpenStreetMap contributors, licence: Creative Commons Attribution-ShareAlike 2.0 (share-alike: this boundary layer is offered under the same licence) · source · represents 2017. Offered under the same licence (Creative Commons Attribution-ShareAlike 2.0), kept as its own layer and not merged into other data.
Basemap
OpenFreeMap © OpenMapTiles (CC BY 4.0) · data © OpenStreetMap contributors (ODbL 1.0). Vector tiles requested by the reader’s browser, unmodified; the map falls back to plain land and sea when the host does not answer.
Terrain
Terrain Tiles (Mapzen, AWS Open Data), compiled from SRTM and other public elevation sources (NASA, USGS, ETOPO1, GMTED, EU-DEM under the Copernicus programme, Geoscience Australia, Kartverket, INEGI, LINZ, data.gov.uk). Display relief, not survey data.
People
GHSL 2025 population grid, European Commission Joint Research Centre (CC BY 4.0), shown at 0.05° and summed per unit; WorldPop 2025 (CC BY 4.0) as a second estimate. Units smaller than a grid cell take the density of the cell under them.
நாடுகள்
Natural Earth (public domain).
Elevation
GEBCO Compilation Group (2024) GEBCO 2024 Grid (public domain), reduced to 0.05°: the share of each cell’s land at or below 10 m, weighted by GHSL 2025 people for the low coastal zone.
Position
Boundaries are shown for location only and take no position on any boundary, name or status.