Prefecture of Japan
Oita
大分県Oita is a prefecture of Japan. It covers about 6,550 km² (2,530 mi²), the 20th largest of the 47 prefectures in Natural Earth’s file for Japan, and 1.15× the size of Brunei. About 1.1 million people live there (Wikidata, 2021).
50 km
- Oita
- Brunei
Facts
| Area, measured | 6,550 km²2,530 mi² |
|---|---|
| Official area | 6,340 km²Wikidata · 3.3% below our measure |
| Share of Japan | 1.8%of the area of the 47 prefectures |
| Rank by area | 20th of 47prefectures of Japan |
| Population | 1.1 millionWikidata, 2021 |
| Density | 171 people per km² |
| Capital | Ōita-shi |
| Latitude range | 33°N to 34°N |
| Type | PrefectureJP-44 |
What the numbers say about Oita
- Oita covers 1.8% of the area of Japan and ranks 34th of 47 by population, against 20th by area.
- It would take 57.0 prefectures the size of Oita to cover Japan.
- The largest, Hokkaido (Japan), is 12.0× the size of Oita; the smallest, Kagawa, is 28% of it.
- Closest in size within Japan: Tochigi (6,480 km², 1.01×) and Gunma (6,340 km², 1.03×).
- Counted as a country, Oita would be larger than 69 of the 239 countries and territories listed on sizeversus, and would rank 171st by area, between French Southern and Antarctic Lands (6,990 km²) and Palestine (6,070 km²).
- With 1.1 million people it would rank 162nd of 238 by population.
- Oita has 171 people per km², about the density of Guatemala, which has 159 per km².
- That makes Oita the 35th most densely populated of the 47 prefectures, 51% 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 Oita looks bigger there than it is.
- Laid out flat, Oita stretches about 106 km north to south and 117 km east to west.
- Our measured 6,550 km² is 3.3% above Wikidata's official figure of 6,340 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.
- ChinaAreaShanghai0.97× · 6,750 km²Peoplenone within 2×
- United StatesAreaDelaware1.27× · 5,170 km²PeopleRhode Island1.02× · 1.1 million (2020)
- IndiaAreaSikkim0.94× · 6,940 km²PeopleMizoram1.02× · 1.1 million (2011)
- GermanyAreanone within 2×PeopleSaarland1.11× · 1.0 million (2022)
- FranceAreaCorsica (France)76% · 8,670 km²PeopleRéunion (France)1.27× · 881,000 (2022)
- ItalyAreaFriuli-Venezia Giulia89% · 7,340 km²PeopleTrentino-Alto Adige1.05× · 1.1 million (2019)
- SpainAreaBasque Country0.93× · 7,060 km²PeopleBalearic Islands0.95× · 1.2 million (2022)
- BrazilAreaFederal District1.13× · 5,790 km²PeopleTocantins74% · 1.5 million (2022)
- CanadaAreaPrince Edward Island1.14× · 5,730 km²PeopleSaskatchewan0.99× · 1.1 million (2021)
- AustraliaAreanone within 2×PeopleSouth Australia59% · 1.9 million (2024)
- MexicoAreaColima1.11× · 5,880 km²PeopleNayarit0.92× · 1.2 million (2015)
- ThailandAreaUthai Thani1.00× · 6,540 km²PeopleChaiyaphum1.00× · 1.1 million (2020)
Where Oita sits in Japan
All 47 drawn on one equal-area map, so sizes are comparable. Select another to open it.
Compare Oita
- Chaiyaphum vs Oita
- Phrae vs Oita
- Oita vs Brunei
- Oita vs Cyprus
- Djibouti vs Oita
- Oita vs Prince Edward Island
- Shanghai vs Oita
- Oita vs Federal District
- Oita vs Delaware
- Sikkim vs Oita
- Oita vs Colima
- Basque Country vs Oita
- Corsica (France) vs Oita
- Friuli-Venezia Giulia vs Oita
- Oita vs Uthai Thani
- Saskatchewan vs Oita
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