Population of the official entrance age to secondary general in Thailand
Thailand: Population of the official entrance age to secondary general was 370,746 in 2025. ▼ Falling
Latest (2025)
370,746
Change on year
down 0.9%
World rank
37th
of 220 countries
All-time high
583,831
in 1982
All-time low
364,350
in 2023
Years of data
56
1970–2025
Population of the official entrance age to secondary general in Thailand, 1970–2025
Source: UNESCO Institute for Statistics.
Analysis
In 2025, population of the official entrance age to secondary general in Thailand stood at 370,746.
Compared with earlier readings it is down 0.9% on the previous year and down 13.2% over ten years.
Over the whole period, population of the official entrance age to secondary general in Thailand peaked at 583,831 in 1982 and was at its lowest, 364,350, in 2023.
Thailand ranks 37th of 220 countries on this measure, in the top quarter.
The long-run direction has been consistently falling across the 56 years of available data.
Population of the official entrance age to secondary general in Thailand, year by year
| Year | Value | Change |
|---|---|---|
| 1970 | 411,463 | — |
| 1971 | 424,893 | +3.3% |
| 1972 | 438,410 | +3.2% |
| 1973 | 452,992 | +3.3% |
| 1974 | 466,751 | +3.0% |
| 1975 | 481,388 | +3.1% |
| 1976 | 496,622 | +3.2% |
| 1977 | 512,695 | +3.2% |
| 1978 | 529,949 | +3.4% |
| 1979 | 557,444 | +5.2% |
| 1980 | 568,868 | +2.0% |
| 1981 | 578,174 | +1.6% |
| 1982 | 583,831 | +1.0% |
| 1983 | 582,917 | -0.2% |
| 1984 | 578,750 | -0.7% |
| 1985 | 580,024 | +0.2% |
| 1986 | 583,568 | +0.6% |
| 1987 | 582,327 | -0.2% |
| 1988 | 573,975 | -1.4% |
| 1989 | 566,705 | -1.3% |
| 1990 | 558,023 | -1.5% |
| 1991 | 545,891 | -2.2% |
| 1992 | 542,748 | -0.6% |
| 1993 | 544,198 | +0.3% |
| 1994 | 546,849 | +0.5% |
| 1995 | 543,127 | -0.7% |
| 1996 | 535,455 | -1.4% |
| 1997 | 536,014 | +0.1% |
| 1998 | 538,165 | +0.4% |
| 1999 | 535,917 | -0.4% |
| 2000 | 510,538 | -4.7% |
| 2001 | 510,538 | +0.0% |
| 2002 | 511,447 | +0.2% |
| 2003 | 514,082 | +0.5% |
| 2004 | 515,968 | +0.4% |
| 2005 | 518,885 | +0.6% |
| 2006 | 518,386 | -0.1% |
| 2007 | 509,234 | -1.8% |
| 2008 | 495,566 | -2.7% |
| 2009 | 483,080 | -2.5% |
| 2010 | 468,879 | -2.9% |
| 2011 | 453,742 | -3.2% |
| 2012 | 448,323 | -1.2% |
| 2013 | 441,862 | -1.4% |
| 2014 | 434,732 | -1.6% |
| 2015 | 427,258 | -1.7% |
| 2016 | 419,660 | -1.8% |
| 2017 | 412,046 | -1.8% |
| 2018 | 404,423 | -1.9% |
| 2019 | 396,767 | -1.9% |
| 2020 | 389,032 | -1.9% |
| 2021 | 381,172 | -2.0% |
| 2022 | 373,143 | -2.1% |
| 2023 | 364,350 | -2.4% |
| 2024 | 374,220 | +2.7% |
| 2025 | 370,746 | -0.9% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 477,261 | 411,463 | 557,444 | 10 |
| 1980s | 577,914 | 566,705 | 583,831 | 10 |
| 1990s | 542,639 | 535,455 | 558,023 | 10 |
| 2000s | 508,772 | 483,080 | 518,885 | 10 |
| 2010s | 430,769 | 396,767 | 468,879 | 10 |
| 2020s | 375,444 | 364,350 | 389,032 | 6 |
Countries ranked near Thailand
More education data for Thailand
- Teachers in secondary education, both sexes (number), gaps filled 243,991 (2025)
- Repeaters in primary education, all grades, both sexes (number), gaps 13,596 (2025)
- Enrolment in pre-primary education, male (number), gaps filled 758,147 (2025)
- Enrolment in pre-primary education, female (number), gaps filled 716,498 (2025)
- Secondary education, pupils, gaps filled 4.26 million (2025)
- Primary education, duration (years), annual growth rate 0 % change on previous year (2025)
- Primary education, pupils, gaps filled 4.45 million (2025)
- Primary education, pupils, annual growth rate -1.23 % change on previous year (2025)
- Primary education, pupils, per unit of GDP 0 units per US$ of GDP (2025)
- Primary education, pupils, per capita 0.0621 units per person (2025)
Frequently asked questions
- What is population of the official entrance age to secondary general in Thailand?
- Population of the official entrance age to secondary general in Thailand was 370,746 in 2025, according to UNESCO Institute for Statistics.
- What is the highest population of the official entrance age to secondary general recorded in Thailand?
- The highest recorded value was 583,831 in 1982.
- What is the lowest population of the official entrance age to secondary general recorded in Thailand?
- The lowest recorded value was 364,350 in 2023.
- How does Thailand rank for population of the official entrance age to secondary general?
- Thailand ranks 37th out of 220 countries with data for 2025.
- Is population of the official entrance age to secondary general rising or falling in Thailand?
- Over the last ten years it is down 13.2%. The long-run trend across the full record is falling.
- Where does this Thailand data come from?
- The figures come from UNESCO Institute for Statistics, published as part of Population of the official entrance age to secondary general education, female (number). Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 56 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release