Province of Thailand
Nong Khai
Nong Khai is a province of Thailand. It covers about 3,440 km² (1,330 mi²), the 59th largest of the 77 provinces in Natural Earth’s file for Thailand, and 88% of the size of Cape Verde. About 517,000 people live there (Wikidata, 2020).
50 km
- Cape Verde
- Nong Khai
Facts
| Area, measured | 3,440 km²1,330 mi² |
|---|---|
| Official area | 3,030 km²Wikidata · 14% below our measure |
| Share of Thailand | 0.7%of the area of the 77 provinces |
| Rank by area | 59th of 77provinces of Thailand |
| Population | 517,000Wikidata, 2020 |
| Density | 150 people per km² |
| Capital | Nong Khai |
| Latitude range | 18°N to 18°N |
| Type | ProvinceTH-43 |
What the numbers say about Nong Khai
- Nong Khai covers 0.7% of the area of Thailand and ranks 52nd of 77 by population, against 59th by area.
- It would take 150 provinces the size of Nong Khai to cover Thailand.
- The largest, Chiang Mai, is 6.62× the size of Nong Khai; the smallest, Samut Songkhram, is 12% of it.
- Closest in size within Thailand: Ranong (3,440 km², 1.00×) and Rayong (3,660 km², 1.06×).
- Counted as a country, Nong Khai would be larger than 63 of the 239 countries and territories listed on sizeversus, and would rank 177th by area, between South Georgia and the South Sandwich Islands (3,920 km²) and French Polynesia (3,340 km²).
- With 517,000 people it would rank 173rd of 238 by population.
- Nong Khai has 150 people per km², about the density of China, which has 150 per km².
- That makes Nong Khai the 28th most densely populated of the 77 provinces, 1.17× the average for Thailand (129 per km²).
- Nong Khai lies at 18°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, Nong Khai stretches about 78 km north to south and 146 km east to west.
- Our measured 3,440 km² is 14% above Wikidata's official figure of 3,030 km². Official figures can include inland water or count land that an outline draws differently. This difference is flagged for review.
- Until 2011, the province of Nong Khai covered what is now Nong Khai and Bueng Kan. Added together, today’s outlines measure 7,430 km²: as one unit they would be the 27th largest of 76, with 939,000 people (2020 figures added up) the 25th most populous.
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.
- ChinaAreaShanghai51% · 6,750 km²Peoplenone within 2×
- United StatesAreaRhode Island1.21× · 2,830 km²PeopleWyoming90% · 577,000 (2020)
- IndiaAreaGoa1.01× · 3,420 km²PeopleDadra and Nagar Haveli and Daman and Diu88% · 586,000 (2011)
- GermanyAreaSaarland1.30× · 2,650 km²PeopleBremen75% · 693,000 (2022)
- FranceAreaRéunion (France)1.33× · 2,580 km²PeopleGuadeloupe1.35× · 384,000 (2022)
- ItalyAreaAosta Valley1.04× · 3,300 km²PeopleBasilicata0.92× · 563,000 (2019)
- SpainAreaBalearic Islands67% · 5,120 km²PeopleCantabria87% · 592,000 (2024)
- JapanAreaTottori0.93× · 3,700 km²PeopleTottori0.94× · 550,000 (2021)
- BrazilAreaFederal District59% · 5,790 km²PeopleRoraima81% · 637,000 (2022)
- CanadaAreaPrince Edward Island60% · 5,730 km²PeopleNewfoundland and Labrador1.01× · 511,000 (2021)
- AustraliaAreaAustralian Capital Territory1.46× · 2,350 km²PeopleTasmania (Australia)0.96× · 540,000 (2020)
- MexicoAreaTlaxcala89% · 3,870 km²PeopleBaja California Sur81% · 637,000 (2010)
Where Nong Khai sits in Thailand
All 77 drawn on one equal-area map, so sizes are comparable. Select another to open it.
Ranked within Thailand
Compare Nong Khai
- Cape Verde vs Nong Khai
- Nong Khai vs Samoa
- Nong Khai vs Luxembourg
- Nong Khai vs Australian Capital Territory
- Prince Edward Island vs Nong Khai
- Shanghai vs Nong Khai
- Federal District vs Nong Khai
- Nong Khai vs Rhode Island
- Nong Khai vs Goa
- Tlaxcala vs Nong Khai
- Balearic Islands vs Nong Khai
- Nong Khai vs Réunion (France)
- Tottori vs Nong Khai
- Nong Khai vs Saarland
- Nong Khai vs Aosta Valley
- Newfoundland and Labrador vs Nong Khai
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, 2020. Thailand’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