Population ages 0-14, total in Thailand
Thailand: Population ages 0-14, total was 10.32 million in 2025. ▼ Falling
Population ages 0-14, total in Thailand, 1960–2025
Source: Staff estimates, World Bank (WB), note: Staff estimates using the World Bank's total population and age/sex distributions of the United Nations Population Division's World Population Prospects., publi.
Analysis
In 2025, population ages 0-14, total in Thailand stood at 10.32 million. That is the lowest value across all 66 years on record.
Compared with earlier readings it is down 2.3% on the previous year and down 19.2% over ten years.
Over the whole period, population ages 0-14, total in Thailand peaked at 17.68 million in 1979 and was at its lowest, 10.32 million, in 2025.
That places Thailand 42nd out of 215 countries with data for 2025, putting it in the top quarter.
The long-run direction has been consistently falling across the 66 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 13.87 million | 11.88 million | 15.75 million | 10 |
| 1970s | 17.12 million | 16.09 million | 17.68 million | 10 |
| 1980s | 17.19 million | 16.55 million | 17.66 million | 10 |
| 1990s | 15.95 million | 15.52 million | 16.40 million | 10 |
| 2000s | 14.68 million | 14.00 million | 15.36 million | 10 |
| 2010s | 12.84 million | 11.84 million | 13.81 million | 10 |
| 2020s | 10.95 million | 10.32 million | 11.58 million | 6 |
Countries ranked near Thailand
More health data for Thailand
- Age population, age 13, female, interpolated 395,015 (2025)
- Age population, age 15, male, interpolated 422,254 (2025)
- Age population, age 15, female, interpolated 398,874 (2025)
- Age population, age 14, male, interpolated 419,887 (2025)
- Age population, age 14, female, interpolated 396,542 (2025)
- Age population, age 13, male, interpolated 418,551 (2025)
- Age population, age 11, male, interpolated 399,275 (2025)
- Age population, age 10, male, interpolated 387,559 (2025)
- Age population, age 11, female, interpolated 376,498 (2025)
- Age population, age 16, female, interpolated 404,302 (2025)
Frequently asked questions
- What is population ages 0-14, total in Thailand?
- Population ages 0-14, total in Thailand was 10.32 million in 2025, according to Staff estimates, World Bank (WB), note: Staff estimates using the World Bank's total population and age/sex distributions of the United Nations Population Division's World Population Prospects., publi.
- What is the highest population ages 0-14, total recorded in Thailand?
- The highest recorded value was 17.68 million in 1979.
- What is the lowest population ages 0-14, total recorded in Thailand?
- The lowest recorded value was 10.32 million in 2025.
- How does Thailand rank for population ages 0-14, total?
- Thailand ranks 42nd out of 215 countries with data for 2025.
- Is population ages 0-14, total rising or falling in Thailand?
- Over the last ten years it is down 19.2%. The long-run trend across the full record is falling.
- Where does this Thailand data come from?
- The figures come from Staff estimates, World Bank (WB), note: Staff estimates using the World Bank's total population and age/sex distributions of the United Nations Population Division's World Population Prospects., publi, published as part of Population ages 0-14, total. Statizoid updates them automatically from the source API.
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About this data
Total population between the ages 0 to 14. Population is based on the de facto definition of population, which counts all residents regardless of legal status or citizenship.