Province of China
Hainan
海南省Hainan is a province of China. It covers about 33,800 km² (13,100 mi²), the 28th largest of the 31 provinces and regions in Natural Earth’s file for China, and about the same size as Moldova. About 10.1 million people live there (Wikidata, 2020).
50 km
- Hainan
- Moldova
Facts
| Area, measured | 33,800 km²13,100 mi² |
|---|---|
| Official area | 33,900 km²Wikidata · agrees with our measure |
| Share of China | 0.4%of the area of the 31 provinces and regions |
| Rank by area | 28th of 31provinces and regions of China |
| Population | 10.1 millionWikidata, 2020 · the census year of every unit |
| Density | 298 people per km² |
| Capital | Haikou |
| Latitude range | 18°N to 20°N |
| Type | ProvinceCN-HI |
What the numbers say about Hainan
- Hainan covers 0.4% of the area of China and ranks 28th of 31 by both area and population.
- It would take 277 regions the size of Hainan to cover China.
- Hainan holds 0.7% of the 1.41 billion people that Wikidata’s 2020 figures give for the 31 provinces and regions together: about 1 in 140.
- The largest, Xinjiang, is 48.2× the size of Hainan; the smallest, Shanghai, is 20% of it.
- Closest in size within China: Ningxia (52,100 km², 1.54×) and Beijing (16,300 km², 2.08×).
- Counted as a country, Hainan would be larger than 102 of the 239 countries and territories listed on sizeversus, and would rank 138th by area, between Taiwan (36,200 km²) and Moldova (33,200 km²).
- With 10.1 million people it would rank 92nd of 238 by population.
- Hainan has 298 people per km², about the density of El Salvador, which has 294 per km².
- That makes Hainan the 15th most densely populated of the 31 provinces and regions, 1.98× the average for China (150 per km²).
- Hainan lies at 19°N, close to the equator, where a standard web map (Web Mercator) is nearly true to size: it inflates area by only about 1.1×.
- Laid out flat, Hainan stretches about 222 km north to south and 254 km east to west.
- Wikidata's official figure of 33,900 km² agrees with our measured area of 33,800 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.
- United StatesAreaMaryland1.33× · 25,500 km²PeopleMichigan1.00× · 10.1 million (2020)
- IndiaAreaKerala90% · 37,700 km²PeopleUttarakhand1.00× · 10.1 million (2011)
- GermanyAreaNorth Rhine-Westphalia0.98× · 34,500 km²PeopleBaden-Württemberg0.91× · 11.1 million (2022)
- FranceAreaPays de la Loire1.05× · 32,100 km²PeopleÎle-de-France81% · 12.4 million (2022)
- ItalyAreaSicily (Italy)1.31× · 25,900 km²PeopleLombardy1.00× · 10.1 million (2019)
- SpainAreaCatalonia1.06× · 32,000 km²PeopleAndalusia1.17× · 8.6 million (2024)
- JapanAreanone within 2×PeopleKanagawa1.09× · 9.2 million (2020)
- BrazilAreaAlagoas1.23× · 27,600 km²PeopleRio Grande do Sul0.93× · 10.9 million (2022)
- CanadaAreaNova Scotia61% · 55,100 km²PeopleQuebec1.19× · 8.5 million (2021)
- AustraliaAreanone within 2×PeopleNew South Wales1.18× · 8.5 million (2024)
- MexicoAreaPuebla0.98× · 34,600 km²PeopleMexico City1.13× · 8.9 million (2015)
- ThailandAreaChiang Mai1.49× · 22,800 km²PeopleBangkok1.78× · 5.7 million (2018)
Where Hainan sits in China
All 31 drawn on one equal-area map, so sizes are comparable. Select another to open it.
Compare Hainan
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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, 2020. China’s units share the 2020 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