Prefecture of Japan
Nagano
長野県Nagano is a prefecture of Japan. It covers about 13,700 km² (5,290 mi²), the 4th largest of the 47 prefectures in Natural Earth’s file for Japan, and about the same size as Montenegro. About 2.0 million people live there (Wikidata, 2021).
50 km
- Montenegro
- Nagano
Facts
| Area, measured | 13,700 km²5,290 mi² |
|---|---|
| Official area | 13,600 km²Wikidata · agrees with our measure |
| Share of Japan | 3.7%of the area of the 47 prefectures |
| Rank by area | 4th of 47prefectures of Japan |
| Population | 2.0 millionWikidata, 2021 |
| Density | 148 people per km² |
| Capital | Nagano |
| Latitude range | 35°N to 37°N |
| Type | PrefectureJP-20 |
What the numbers say about Nagano
- Nagano covers 3.7% of the area of Japan and ranks 16th of 47 by population, against 4th by area.
- It would take 27.3 prefectures the size of Nagano to cover Japan.
- The largest, Hokkaido (Japan), is 5.75× the size of Nagano; the smallest, Kagawa, is 14% of it.
- Closest in size within Japan: Fukushima (14,000 km², 1.02×) and Niigata (12,500 km², 1.10×).
- Counted as a country, Nagano would be larger than 79 of the 239 countries and territories listed on sizeversus, and would rank 161st by area, between Montenegro (13,700 km²) and the Bahamas (12,600 km²).
- With 2.0 million people it would rank 148th of 238 by population.
- Nagano has 148 people per km², about the density of Malawi, which has 147 per km².
- That makes Nagano the 38th most densely populated of the 47 prefectures, 44% 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 Nagano looks bigger there than it is.
- Laid out flat, Nagano stretches about 203 km north to south and 126 km east to west.
- Wikidata's official figure of 13,600 km² agrees with our measured area of 13,700 km², to within 2%.
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.
- ChinaAreaBeijing84% · 16,300 km²PeopleTibet55% · 3.6 million (2020)
- United StatesAreaConnecticut1.08× · 12,700 km²PeopleNebraska1.03× · 2.0 million (2020)
- IndiaAreaNagaland84% · 16,300 km²PeopleNagaland1.02× · 2.0 million (2011)
- GermanyAreaSchleswig-Holstein89% · 15,400 km²PeopleThuringia0.96× · 2.1 million (2022)
- FranceAreaÎle-de-France1.13× · 12,100 km²PeopleCentre-Val de Loire78% · 2.6 million (2022)
- ItalyAreaTrentino-Alto Adige1.01× · 13,500 km²PeopleCalabria1.04× · 1.9 million (2019)
- SpainAreaMurcia1.21× · 11,300 km²PeopleCastilla–La Mancha0.96× · 2.1 million (2024)
- BrazilAreaSergipe63% · 21,600 km²PeopleSergipe0.92× · 2.2 million (2022)
- CanadaAreanone within 2×PeopleManitoba1.51× · 1.3 million (2021)
- AustraliaAreanone within 2×PeopleSouth Australia1.07× · 1.9 million (2024)
- MexicoAreaQuerétaro1.17× · 11,700 km²PeopleQuerétaro0.99× · 2.0 million (2015)
- ThailandAreaMae Hong Son1.01× · 13,600 km²PeopleUbon Ratchathani1.08× · 1.9 million (2020)
Where Nagano sits in Japan
All 47 drawn on one equal-area map, so sizes are comparable. Select another to open it.
Compare Nagano
- Montenegro vs Nagano
- Nagano vs Bahamas
- Belgium vs Nagano
- Gabon vs Nagano
- Beijing vs Nagano
- Sergipe vs Nagano
- Nagano vs Connecticut
- Nagaland vs Nagano
- Nagano vs Querétaro
- Nagano vs Murcia
- Nagano vs Île-de-France
- Schleswig-Holstein vs Nagano
- Nagano vs Trentino-Alto Adige
- Nagano vs Mae Hong Son
- Nagano vs Campania
- Nagano vs Surat Thani
- Nagano vs Chaiyaphum
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
