THA · TH · United Nations WPP 2024 · 2026
Thailand
Thailand had a population of 71,559,614 people in 2026, ranking 21 of 237 countries and areas. Explore its age pyramid, trends and demographic indicators.
Source: United Nations World Population Prospects 2024, medium variant.
- Total population
- 71,559,614 people 2026 · Projection
- Rank
- #21/ 237 Asia #11 / 51
- Share of world population
- 0.86% 2026
- Density
- 140.1 people/km² 2026
- Median age
- 41.0 years
- Life expectancy
- 77.06 years
Country or area overview
Thailand is in Asia. In 2026, its population was 71,559,614 people, about 0.86% of the world total. It ranks #21 of 237 countries and areas worldwide. The population was 20,428,402 people in 1950 and is projected to reach 45,555,065 people in 2100. The annual population growth rate in 2026 is -0.09%. The median age is 41.0. 14.1% of the population is under 15 and 16.7% is 65 or older. Life expectancy is 77.06 and the total fertility rate is 1.19. Within Asia, it ranks #11 of 51 by population and #27 of 51 by population density. Data note This page uses the UN World Population Prospects 2024 medium variant. Data for 1950–2023 are estimates; 2024 onward, including 2026, are projections. Values for 2100 are long-range projections.
Population history and projection
Population from 1950 to 2100. The dashed section shows the UN medium-variant projection from 2024 onward.
Age group · 2026
Population age pyramid
Male and female population by five-year age group. Move the year slider to compare 1950, today and the 2100 projection.
Age-group data
| Age group | Male | Female | Total | Share |
|---|---|---|---|---|
| 0–4 | 1,504,583 | 1,415,349 | 2,919,932 | 4.08% |
| 5–9 | 1,692,401 | 1,593,491 | 3,285,892 | 4.59% |
| 10–14 | 1,990,770 | 1,877,455 | 3,868,225 | 5.41% |
| 15–19 | 2,158,200 | 2,047,556 | 4,205,756 | 5.88% |
| 20–24 | 2,378,257 | 2,281,339 | 4,659,596 | 6.51% |
| 25–29 | 2,481,216 | 2,369,293 | 4,850,509 | 6.78% |
| 30–34 | 2,545,240 | 2,504,323 | 5,049,563 | 7.06% |
| 35–39 | 2,487,488 | 2,484,628 | 4,972,116 | 6.95% |
| 40–44 | 2,532,128 | 2,589,653 | 5,121,781 | 7.16% |
| 45–49 | 2,563,749 | 2,693,451 | 5,257,200 | 7.35% |
| 50–54 | 2,508,285 | 2,748,594 | 5,256,879 | 7.35% |
| 55–59 | 2,494,932 | 2,810,742 | 5,305,674 | 7.41% |
| 60–64 | 2,264,510 | 2,604,113 | 4,868,623 | 6.80% |
| 65–69 | 1,897,321 | 2,243,009 | 4,140,330 | 5.79% |
| 70–74 | 1,386,514 | 1,741,791 | 3,128,305 | 4.37% |
| 75–79 | 920,153 | 1,237,271 | 2,157,424 | 3.01% |
| 80–84 | 516,417 | 762,651 | 1,279,068 | 1.79% |
| 85–89 | 288,628 | 473,793 | 762,421 | 1.07% |
| 90–94 | 122,781 | 228,101 | 350,882 | 0.49% |
| 95–99 | 33,910 | 67,778 | 101,688 | 0.14% |
| 100+ | 5,588 | 12,166 | 17,754 | 0.02% |
Demographic indicators
UN WPP 2024 indicators for 2026.
| Indicator | 2026 | Projection for 2100 | Unit |
|---|---|---|---|
| Total population | 71,559,614 people | 45,555,065 people | people |
| Male population | 34,773,069 people | 22,476,276 people | people |
| Female population | 36,786,546 people | 23,078,788 people | people |
| Population density | 140.1 people/km² | 89.2 people/km² | people/km² |
| Sex ratio | 94.5 | 97.4 | males per 100 females |
| Median age | 41.0 | 51.9 | years |
| Natural change | -95,794 | -384,210 | people |
| Natural change rate | -1.34 ‰ | -8.43 ‰ | ‰ |
| Population change | -66,595 | -341,134 | people |
| Population growth rate | -0.09% | -0.75% | % |
| Population doubling time | — | — | years |
| Births | 566,113 people | 327,898 people | people |
| Births to women aged 15–19 | 47,208 | 5,797 | people |
| Birth rate | 7.91 ‰ | 7.20 ‰ | ‰ |
| Total fertility rate | 1.19 | 1.44 | children per woman |
| Net reproduction rate | 0.565 | 0.693 | |
| Mean age at childbearing | 28.60 | 31.32 | years |
| Sex ratio at birth | 106.4 | 106.4 | males per 100 females |
| Deaths | 661,907 people | 712,108 people | people |
| Male deaths | 376,141 | 353,516 | people |
| Female deaths | 285,765 | 358,592 | people |
| Death rate | 9.25 ‰ | 15.63 ‰ | ‰ |
| Life expectancy at birth | 77.06 | 88.41 | years |
| Male life expectancy at birth | 72.92 | 86.08 | years |
| Female life expectancy at birth | 81.36 | 90.83 | years |
| Life expectancy at age 15 | 63.07 | 73.69 | years |
| Life expectancy at age 65 | 19.76 | 25.71 | years |
| Life expectancy at age 80 | 9.77 | 13.23 | years |
| Infant deaths | 4,315 | 677 | people |
| Infant mortality rate | 7.61 ‰ | 2.06 ‰ | ‰ |
| Survivors to age 1 | 562,382 | 327,320 | people |
| Deaths under age 5 | 5,507 | 816 | people |
| Under-5 mortality rate | 9.63 ‰ | 2.48 ‰ | ‰ |
| Net migration | 29,200 | 43,071 | people |
| Net migration rate | 0.41 ‰ | 0.95 ‰ | ‰ |
Frequently asked questions
- What is the population of Thailand?
- In 2026, Thailand had a population of 71,559,614 people. It ranks #21 of 237 countries and areas worldwide.
- How has the population of Thailand changed?
- The population was 20,428,402 people in 1950 and is projected to reach 45,555,065 people in 2100.
- What is the age structure of Thailand?
- The median age is 41.0. 14.1% of the population is under 15 and 16.7% is 65 or older.
- How does Thailand compare within Asia?
- By total population, Thailand ranks #11 of 51 in Asia and #21 of 237 worldwide.
Estimates cover 1950–2023; 2024 and later are UN medium-variant projections. Rankings use the latest available value for the selected year. The world total is the sum of all countries and areas in the dataset.