Thailand Population Pyramid 2025
Thailand
Afghanistan
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Other non-specified areas
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2025
Population:
71,619,863
Summary
Thailand in 2025
As of 2025, Thailand counted 71,619,863 inhabitants. Over the previous ten years the population grew by 1.5%, up from 70,540,796 in 2015.
With a median age of 41.5 years, Thailand had a youth dependency ratio of 20.7 and an old-age dependency ratio of 23.0 per 100 people of working age. The narrow base of the pyramid marks a constrictive age structure: fertility below replacement level and a rising share of older people.
Data source: United Nations World Population Prospects, 2024 revision (medium variant) — last updated July 2024.
Key indicators for Thailand
Population
71,619,863
Median age
41.5
0-14 %
14.4%
65+ %
16.0%
Child dependency
20.7
Old-age dependency
23.0
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 | 71,619,863 | 41.5 | |
| Myanmar | 54,850,648 | 31.1 | |
| Viet Nam | 101,598,527 | 34.4 | |
| Malaysia | 35,977,838 | 31.9 | |
| Philippines | 116,786,963 | 27.2 |
Frequently asked questions about Thailand's population
How many people lived in Thailand in 2025?
In 2025, Thailand's population was 71,619,863.
Is the population of Thailand increasing or decreasing?
Yes, growing: up 1.5% from 2015, with a projected population of 66,382,735 in 2050.
How old is the population of Thailand?
The median age in Thailand is 41.5 years — half the population is younger, half older.
How many children and older people live in Thailand?
16.0% of Thailand's population is 65 or older, and 14.4% is under 15.
What shape is Thailand's population pyramid, and what does it mean?
Thailand has a constrictive pyramid: cohorts of children are smaller than those of their parents, reflecting low fertility and an ageing population.
