Thailand
- Capital:
- Bangkok
- Continent:
- Asia
- Region(s):
- Southeast Asia
- Largest Cities:
- Bangkok, Nakhon Ratchasima, Ubon Ratchathani
- Abbreviation:
- THA
71,559,614
As of Jan 1, 2026 - Source
71,559,614
As of Jan 1, 2026 - Source
Thailand's population is projected to be 46,598,082 by 2097.
Historical
Switch the toggle to see projected data.
| Year ↓ | Population | Change | Pop. Rank |
|---|---|---|---|
| 2026 | 71,559,614 | -0.05% | 21 |
| 2025 | 71,619,863 | -0.01% | 20 |
| 2020 | 71,641,484 | 0.17% | 20 |
| 2019 | 71,522,271 | 0.21% | 20 |
| 2018 | 71,376,079 | 0.3% | 20 |
| 2017 | 71,160,187 | 0.42% | 20 |
| 2015 | 70,540,795 | 0.57% | 20 |
| 2010 | 68,579,447 | 0.76% | 19 |
| 2005 | 66,017,420 | 0.94% | 19 |
| 2000 | 63,007,815 | 1.29% | 19 |
| Year ↑ | Population | Change | Pop. Rank |
|---|---|---|---|
| 2026 | 71,559,614 | -0.05% | 21 |
| 2032 | 70,982,289 | -0.14% | 22 |
| 2037 | 70,180,037 | -0.23% | 24 |
| 2042 | 69,025,351 | -0.33% | 26 |
| 2047 | 67,489,358 | -0.45% | 30 |
| 2052 | 65,572,758 | -0.57% | 32 |
| 2057 | 63,366,876 | -0.68% | 32 |
| 2062 | 61,047,651 | -0.74% | 37 |
| 2067 | 58,759,723 | -0.76% | 40 |
| 2072 | 56,539,084 | -0.77% | 42 |
1.4M
2.5M
5M
Bangkok has a metropolitan area population of 5,186,582, comprising 7.25%% of Thailand's total population.
| Rank | City | 2026 Pop. ↓ | % of National Pop. |
|---|---|---|---|
| 1 | Bangkok | 5,186,582 | 7.25% |
| 2 | Nakhon Ratchasima | 2,599,753 | 3.63% |
| 3 | Ubon Ratchathani | 1,847,979 | 2.58% |
| 4 | Khon Kaen | 1,756,308 | 2.45% |
| 5 | Chiang Mai | 1,630,451 | 2.28% |
| 6 | Chon Buri | 1,619,225 | 2.26% |
| 7 | Buri Ram | 1,549,564 | 2.17% |
| 8 | Udon Thani | 1,524,495 | 2.13% |
| 9 | Nakhon Si Thammarat | 1,520,118 | 2.12% |
| 10 | Si Sa Ket | 1,429,315 | 2% |
As of 2026, Thailand has a total population of 71,559,614, ranking as the 21st most populous nation in the world.
Thailand has a net population change of approximately -182 people per day, driven by 1,550 births, 1,812 deaths, and net immigration of 80 people.
Thailand represents 0.89% of the total global population and 1.43% of Asia's population.
Thailand has a population density of 140.1 people per km² (approximately 362.8 per mi²), making it the 89th most densely populated country in the world.
Currently, 90.08% of the population resides in urban areas, a figure that is decreasing annually.
*Rates last updated: June 16, 2026
As of 2026, the largest ethnicity in Thailand is Thai (97.5%) , followed by Burmese (1.3%) .
As of 2026, Buddhist is the largest religion in Thailand, comprising 94.6% of the population.