Thailand Population Pyramid 2021
Thailand
Afghanistan
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Other non-specified areas
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2021
Population:
71,727,331
Summary
Thailand in 2021
In 2021, Thailand had a total population of 71,727,332 people. Over the previous ten years the population grew by 3.9%, up from 69,007,208 in 2011.
With a median age of 39.7 years, Thailand had a youth dependency ratio of 22.3 and an old-age dependency ratio of 19.1 per 100 people of working age. The pyramid is constrictive: cohorts of children are smaller than those of their parents, reflecting low fertility and an ageing population.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.
Key indicators for Thailand
Population
71,727,332
Median age
39.7
0-14 %
15.8%
65+ %
13.5%
Child dependency
22.3
Old-age dependency
19.1
Region
Pyramid shape
Population 2050
66,382,735
Population 2100
45,555,065
What is driving the change
Births per woman
Total fertility rate, 1960–2023
1234567
1960Replacement level (2.1)2023 · 1.21
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
Years, 1960–2023
Total
Women
Men
405060708090
19602023 · 76.4
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.
People supported per 100 workers
Dependency ratios, 1950–2100
Children
Older adults
22456890
19502100
Migration to and from Thailand
Where immigrants come from (2024)
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 |
Where emigrants live (2024)
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 |
Explore
Immigration statistics
Origin of migrant stocks map
Source: United Nations International Migrant Stock 2024.
How Thailand compares with its neighbours
| Country | Population | Median age | Relative size |
|---|---|---|---|
| Thailand | 71,727,332 | 39.7 | |
| Myanmar | 53,387,102 | 30.0 | |
| Viet Nam | 98,935,099 | 32.5 | |
| Malaysia | 34,282,399 | 30.1 | |
| Philippines | 113,100,950 | 25.5 |
Frequently asked questions about Thailand's population
How many people lived in Thailand in 2021?
In 2021, Thailand's population was 71,727,332.
Is Thailand's population growing or shrinking?
Thailand's population grew 3.9% over the previous ten years, and is projected to reach 66,382,735 by 2050.
How old is the population of Thailand?
Thailand's median age is 39.7 years.
What share of Thailand's population is over 65 or under 15?
In Thailand, 15.8% of people are under 15 and 13.5% are 65 or older.
What type of population pyramid does Thailand have?
Thailand's pyramid is constrictive — narrower at the base than the middle, the signature of sustained low fertility and population ageing.
