Prefecture of Japan
Yamanashi
山梨県Yamanashi is a prefecture of Japan. It covers about 4,510 km² (1,740 mi²), the 31st largest of the 47 prefectures in Natural Earth’s file for Japan, and 88% of the size of Trinidad and Tobago. About 804,000 people live there (Wikidata, 2021).
50 km
- Trinidad and Tobago
- Yamanashi
Facts
| Area, measured | 4,510 km²1,740 mi² |
|---|---|
| Official area | 4,470 km²Wikidata · agrees with our measure |
| Share of Japan | 1.2%of the area of the 47 prefectures |
| Rank by area | 31st of 47prefectures of Japan |
| Population | 804,000Wikidata, 2021 |
| Density | 178 people per km² |
| Capital | Kofu |
| Latitude range | 35°N to 36°N |
| Type | PrefectureJP-19 |
What the numbers say about Yamanashi
- Yamanashi covers 1.2% of the area of Japan and ranks 42nd of 47 by population, against 31st by area.
- It would take 82.8 prefectures the size of Yamanashi to cover Japan.
- The largest, Hokkaido (Japan), is 17.5× the size of Yamanashi; the smallest, Kagawa, is 41% of it.
- Closest in size within Japan: Wakayama (4,430 km², 1.02×) and Kyoto (4,610 km², 1.02×).
- Counted as a country, Yamanashi would be larger than 65 of the 239 countries and territories listed on sizeversus, and would rank 175th by area, between Trinidad and Tobago (5,120 km²) and Cape Verde (3,930 km²).
- With 804,000 people it would rank 165th of 238 by population.
- Yamanashi has 178 people per km², about the density of Uganda, which has 195 per km².
- That makes Yamanashi the 33rd most densely populated of the 47 prefectures, 53% of the average for Japan (338 per km²).
- On a standard web map (Web Mercator), a place at 36°N is drawn about 1.5× too large in area, so Yamanashi looks bigger there than it is.
- Laid out flat, Yamanashi stretches about 89 km north to south and 86 km east to west.
- Wikidata's official figure of 4,470 km² agrees with our measured area of 4,510 km², to within 2%.
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.
- ChinaAreaShanghai67% · 6,750 km²Peoplenone within 2×
- United StatesAreaDelaware87% · 5,170 km²PeopleNorth Dakota1.03× · 779,000 (2020)
- IndiaAreaGoa1.32× · 3,420 km²PeopleSikkim1.22× · 658,000 (2011)
- GermanyAreaSaarland1.70× · 2,650 km²PeopleBremen1.16× · 693,000 (2022)
- FranceAreaRéunion (France)1.75× · 2,580 km²PeopleRéunion (France)0.91× · 881,000 (2022)
- ItalyAreaMolise1.00× · 4,530 km²PeopleUmbria0.91× · 882,000 (2019)
- SpainAreaBalearic Islands88% · 5,120 km²PeopleNavarre1.19× · 678,000 (2024)
- BrazilAreaFederal District78% · 5,790 km²PeopleAcre0.97× · 830,000 (2022)
- CanadaAreaPrince Edward Island79% · 5,730 km²PeopleNew Brunswick1.04× · 776,000 (2021)
- AustraliaAreaAustralian Capital Territory1.92× · 2,350 km²PeopleTasmania (Australia)1.49× · 540,000 (2020)
- MexicoAreaMorelos89% · 5,080 km²PeopleColima1.10× · 731,000 (2020)
- ThailandAreaNarathiwat1.02× · 4,430 km²PeopleNarathiwat1.00× · 804,000 (2020)
Where Yamanashi sits in Japan
All 47 drawn on one equal-area map, so sizes are comparable. Select another to open it.
Ranked within Japan
Compare Yamanashi
- Molise vs Yamanashi
- Trinidad and Tobago vs Yamanashi
- Yamanashi vs Cape Verde
- Bhutan vs Yamanashi
- Yamanashi vs Luxembourg
- Yamanashi vs Australian Capital Territory
- Prince Edward Island vs Yamanashi
- Shanghai vs Yamanashi
- Federal District vs Yamanashi
- Delaware vs Yamanashi
- Yamanashi vs Goa
- Morelos vs Yamanashi
- Balearic Islands vs Yamanashi
- Yamanashi vs Réunion (France)
- Yamanashi vs Saarland
- Yamanashi vs Narathiwat
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