Country profile · Asia · THA
Thailand: area, population and density
Thailand has 510,890 sq km of land and a 2025 population estimate of 71,619,863; calculated population density is 140 people/km².
Sources: World Bank — Land area · 2023 · World Bank — Population, total · 2025.
Thailand ranks 50th of 196 by land area, 20th by population and 69th by calculated population density among the the supported country set. Density uses the displayed population divided by land area converted to square kilometres.
- Land area
- 510,890 sq kmWorld Bank — Land area · 2023
- Population
- 71,619,863World Bank — Population, total · 2025
- Calculated density
- 140 people/km²Population ÷ land area in km²
Reading the figures
Thailand in the country comparison set
Thailand has 510,890 sq km of land area and a population value of 71,619,863 for 2025. In the 196-profile supported country set, it is 50th by land area, 20th by population, and 69th by calculated density.
Density is calculated from the two values above; it is not presented as an independent statistic. World Bank population and land-area series can refer to different years, so both years remain visible.
Country outline: Natural Earth Admin 0 at 1:10m. The drawing is fitted to this profile panel; use a comparison page for a shared-area scale.
Browse a separate Thailand first-level divisions map and list. It includes generalized reference boundaries and approximate outline-area comparisons, not official regional population or land-area statistics.
Browse the Asia country comparison for regional scale context.