Thailand vs United States
Population, economy and geography side by side
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United States has 4.8 times as many people as Thailand (343 million vs 71.6 million in 2026). United States is 17.9 times larger by land area. GDP per capita is higher in United States ($90,027 vs $8,057). People live longer on average in United States (78.9 vs 76.6 years).
| Thailand | United States | |
|---|---|---|
| Population (2026) | 71,559,614 | 343,382,784 |
| Yearly population change | −0.08% | +0.47% |
| Population 2050 (projected) | 66.4 million | 373 million |
| Land area | 510,890 km² | 9,147,420 km² |
| Density | 140/km² | 38/km² |
| GDP | $577 billion (2025) | $30.77 trillion (2025) |
| GDP per capita | $8,057 (2025) | $90,027 (2025) |
| Life expectancy | 76.6 years | 78.9 years |
| Births per woman | 1.20 | 1.63 |
| Urban population | 63% | 80% |
| Capital | Bangkok | Washington, D.C. |
| Currency | baht (THB) | United States dollar (USD) |
| Calling code | +66 | +1 |
Share of world population: Thailand 0.86%, United States 4.14%.
Frequently asked questions
Which has a bigger population, Thailand or United States?
United States: about 343 million people versus 71.6 million in Thailand (2026).
Is Thailand bigger than United States?
By land area, United States is larger: 9,147,420 km² versus 510,890 km².
Which economy is bigger, Thailand or United States?
United States, with a GDP of $30.77 trillion versus $577 billion (World Bank, current US$).
Sources: World Bank Open Data — World Development Indicators and Population Estimates and Projections (CC BY 4.0); Wikidata (CC0). Retrieved 2026-10-22. GDP in current US dollars (World Bank, latest available year).