Prefecture of Japan
Kumamoto
熊本県Kumamoto is a prefecture of Japan. It covers about 7,250 km² (2,800 mi²), the 16th largest of the 47 prefectures in Natural Earth’s file for Japan, and 1.27× the size of Brunei. About 1.7 million people live there (Wikidata, 2021).
50 km
- Kumamoto
- Brunei
Facts
| Area, measured | 7,250 km²2,800 mi² |
|---|---|
| Official area | 7,400 km²Wikidata · 2.0% above our measure |
| Share of Japan | 1.9%of the area of the 47 prefectures |
| Rank by area | 16th of 47prefectures of Japan |
| Population | 1.7 millionWikidata, 2021 |
| Density | 239 people per km² |
| Capital | Kumamoto |
| Latitude range | 32°N to 33°N |
| Type | PrefectureJP-43 |
What the numbers say about Kumamoto
- Kumamoto covers 1.9% of the area of Japan and ranks 23rd of 47 by population, against 16th by area.
- It would take 51.5 prefectures the size of Kumamoto to cover Japan.
- The largest, Hokkaido (Japan), is 10.9× the size of Kumamoto; the smallest, Kagawa, is 26% of it.
- Closest in size within Japan: Kochi (7,090 km², 1.02×) and Miyagi (7,500 km², 1.03×).
- Counted as a country, Kumamoto would be larger than 70 of the 239 countries and territories listed on sizeversus, and would rank 170th by area, between Puerto Rico (9,010 km²) and French Southern and Antarctic Lands (6,990 km²).
- With 1.7 million people it would rank 153rd of 238 by population.
- Kumamoto has 239 people per km², about the density of Qatar, which has 237 per km².
- That makes Kumamoto the 25th most densely populated of the 47 prefectures, 71% of the average for Japan (338 per km²).
- On a standard web map (Web Mercator), a place at 33°N is drawn about 1.4× too large in area, so Kumamoto looks bigger there than it is.
- Laid out flat, Kumamoto stretches about 121 km north to south and 128 km east to west.
- Our measured 7,250 km² is 2.0% below Wikidata's official figure of 7,400 km². Official figures can include inland water or count land that an outline draws differently.
About the same size as
Beside the regions of other countries
The closest region by area and by people in each of the other countries that have regional pages here, within a factor of 2. All 395 regions side by side.
- ChinaAreaShanghai1.08× · 6,750 km²Peoplenone within 2×
- United StatesAreaDelaware1.40× · 5,170 km²PeopleWest Virginia0.97× · 1.8 million (2020)
- IndiaAreaAndaman and Nicobar Islands1.02× · 7,110 km²PeopleNagaland88% · 2.0 million (2011)
- GermanyAreanone within 2×PeopleHamburg0.92× · 1.9 million (2022)
- FranceAreaCorsica (France)84% · 8,670 km²PeopleCentre-Val de Loire67% · 2.6 million (2022)
- ItalyAreaFriuli-Venezia Giulia0.99× · 7,340 km²PeopleSardinia (Italy)1.06× · 1.6 million (2020)
- SpainAreaCanary Islands0.98× · 7,440 km²PeopleMurcia1.10× · 1.6 million (2024)
- BrazilAreaFederal District1.25× · 5,790 km²PeopleRondônia1.10× · 1.6 million (2022)
- CanadaAreaPrince Edward Island1.27× · 5,730 km²PeopleManitoba1.29× · 1.3 million (2021)
- AustraliaAreanone within 2×PeopleSouth Australia0.92× · 1.9 million (2024)
- MexicoAreaColima1.23× · 5,880 km²PeopleDurango0.99× · 1.8 million (2015)
- ThailandAreaSa Kaeo1.02× · 7,080 km²PeopleChiang Mai0.97× · 1.8 million (2020)
Where Kumamoto sits in Japan
All 47 drawn on one equal-area map, so sizes are comparable. Select another to open it.
Compare Kumamoto
- Friuli-Venezia Giulia vs Kumamoto
- Kumamoto vs Brunei
- Kumamoto vs Cyprus
- North Macedonia vs Kumamoto
- Montenegro vs Kumamoto
- Kumamoto vs Prince Edward Island
- Kumamoto vs Shanghai
- Kumamoto vs Federal District
- Kumamoto vs Delaware
- Kumamoto vs Andaman and Nicobar Islands
- Kumamoto vs Colima
- Canary Islands vs Kumamoto
- Corsica (France) vs Kumamoto
- Kumamoto vs Sa Kaeo
- Durango vs Kumamoto
Share this outline
Sources and method
- Outline
- Natural Earth, 1:10m Admin 1 - States, Provinces, public domain
- Boundary
- De facto, as drawn by Natural Earth.
- Area
- Measured on the WGS84 ellipsoid from the full-detail outline, shown rounded. The region’s whole area is counted, every island included.
- Official figures
- Area, population and capital from Wikidata (CC0), fetched 2026-11-12
- Population
- Wikidata, 2021. Japan’s units share the 2021 figures where Wikidata has them; the year is shown wherever the figure is.
- Matching
- Countries come from Natural Earth’s country file. Places whose status is contested and dependencies are never used as automatic matches. A region under 2,500 km² is matched against the small countries and island nations.
- Data built
- 2026-11-12