Thailand Population Pyramid 1971
Thailand in 1971
As of 1971, Thailand counted 36,937,387 inhabitants. A decade earlier, in 1961, the population was 27,650,334; it has grown by 33.6% since.
With a median age of 17.6 years, Thailand had a youth dependency ratio of 84.3 and an old-age dependency ratio of 5.6 per 100 people of working age. This is an expansive pyramid — each cohort of children is larger than the one above it, the signature of high birth rates and rapid growth.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.
The fertility rate of Thailand was 1.21 births per woman in 2023, under the 2.1 needed to replace each generation.
Source: World Bank World Development Indicators, latest available year.
Life expectancy at birth was 76.4 years in 2023: 80.9 for women and 72.2 for men.
Source: World Bank World Development Indicators, latest available year.
2,906,155 immigrants live in Thailand, 4.1% of the population.
| Myanmar | 1,708,695 |
| Cambodia | 375,635 |
| Laos | 285,819 |
| United Kingdom | 116,582 |
| Japan | 104,515 |
1,178,284 people born in Thailand live in other countries.
| United States of America | 307,741 |
| Republic of Korea | 199,861 |
| Australia | 109,845 |
| Taiwan | 80,032 |
| Malaysia | 70,718 |
Source: United Nations International Migrant Stock 2024.
| Country | Population | Median age | Relative size |
|---|---|---|---|
| Thailand | 36,937,387 | 17.6 | |
| Philippines | 38,518,659 | 15.8 | |
| Viet Nam | 42,449,276 | 18.4 | |
| Myanmar | 27,807,220 | 19.5 | |
| Malaysia | 10,423,454 | 17.6 |





