Secondary education, pupils, gaps filled in Thailand
Thailand: Secondary education, pupils, gaps filled was 4.26 million in 2025. ▲ Rising
Secondary education, pupils, gaps filled in Thailand, 1971–2025
Source: Statizoid (derived).
Analysis
Thailand recorded 4.26 million for secondary education, pupils, gaps filled in 2025.
Compared with earlier readings it is down 1.6% on the previous year and down 37.0% over ten years.
Over the whole period, secondary education, pupils, gaps filled in Thailand peaked at 6.79 million in 2014 and was at its lowest, 695,023, in 1971.
Thailand ranks 29th of 206 countries on this measure, in the top quarter.
The long-run direction has been consistently rising across the 55 years of available data.
Secondary education, pupils, gaps filled in Thailand, year by year
| Year | Value | Change |
|---|---|---|
| 1971 | 695,023 | — |
| 1972 | 772,704 | +11.2% |
| 1973 | 868,885 | +12.4% |
| 1974 | 982,295 | +13.1% |
| 1975 | 1.07 million | +8.6% |
| 1976 | 1.19 million | +11.9% |
| 1977 | 1.32 million | +11.0% |
| 1978 | 1.39 million | +4.7% |
| 1979 | 1.74 million | +25.4% |
| 1980 | 1.81 million | +3.9% |
| 1981 | 1.92 million | +6.3% |
| 1982 | 1.99 million | +3.7% |
| 1983 | 2.09 million | +5.0% |
| 1984 | 2.19 million | +4.8% |
| 1985 | 2.25 million | +2.6% |
| 1986 | 2.24 million | -0.3% |
| 1987 | 2.18 million | -2.6% |
| 1988 | 2.11 million | -3.5% |
| 1989 | 2.08 million | -1.2% |
| 1990 | 2.12 million | +1.7% |
| 1991 | 2.23 million | +5.3% |
| 1992 | 2.44 million | +9.6% |
| 1993 | 2.72 million | +11.2% |
| 1994 | 3.04 million | +12.0% |
| 1995 | 3.38 million | +11.1% |
| 1996 | 3.79 million | +12.2% |
| 1997 | 3.93 million | +3.5% |
| 1998 | 4.10 million | +4.4% |
| 1999 | 4.09 million | -0.2% |
| 2000 | 4.08 million | -0.2% |
| 2001 | 4.07 million | -0.2% |
| 2002 | 4.15 million | +1.9% |
| 2003 | 4.20 million | +1.2% |
| 2004 | 4.25 million | +1.2% |
| 2005 | 4.53 million | +6.6% |
| 2006 | 4.53 million | -0.1% |
| 2007 | 4.79 million | +5.7% |
| 2008 | 4.73 million | -1.3% |
| 2009 | 4.77 million | +0.9% |
| 2010 | 4.81 million | +0.8% |
| 2011 | 4.89 million | +1.8% |
| 2012 | 4.79 million | -2.2% |
| 2013 | 4.66 million | -2.7% |
| 2014 | 6.79 million | +45.9% |
| 2015 | 6.76 million | -0.5% |
| 2016 | 6.57 million | -2.8% |
| 2017 | 4.20 million | -36.1% |
| 2018 | 4.19 million | -0.3% |
| 2019 | 4.17 million | -0.3% |
| 2020 | 4.13 million | -1.0% |
| 2021 | 4.17 million | +0.9% |
| 2022 | 4.26 million | +2.1% |
| 2023 | 4.42 million | +3.9% |
| 2024 | 4.33 million | -2.2% |
| 2025 | 4.26 million | -1.6% |
Thailand compared with similar countries
- Thailand's 4.26 million is above the median for upper middle income countries, which is 524,692, 8.1× the median. (58 countries reporting)
- Thailand's 4.26 million is above the median for East Asia & Pacific, which is 162,113, 26.3× the median. (35 countries reporting)
Biggest year-on-year movements
Years where Secondary education, pupils, gaps filled in Thailand changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2014 | +45.9% | 4.66 million | 6.79 million |
| 2017 | -36.1% | 6.57 million | 4.20 million |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 1.11 million | 695,023 | 1.74 million | 9 |
| 1980s | 2.09 million | 1.81 million | 2.25 million | 10 |
| 1990s | 3.18 million | 2.12 million | 4.10 million | 10 |
| 2000s | 4.41 million | 4.07 million | 4.79 million | 10 |
| 2010s | 5.18 million | 4.17 million | 6.79 million | 10 |
| 2020s | 4.26 million | 4.13 million | 4.42 million | 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)
- 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)
- Secondary education, duration (years), annual growth rate 0 % change on previous year (2025)
Frequently asked questions
- What is secondary education, pupils, gaps filled in Thailand?
- Secondary education, pupils, gaps filled in Thailand was 4.26 million in 2025, according to Statizoid (derived).
- What is the highest secondary education, pupils, gaps filled recorded in Thailand?
- The highest recorded value was 6.79 million in 2014.
- What is the lowest secondary education, pupils, gaps filled recorded in Thailand?
- The lowest recorded value was 695,023 in 1971.
- How does Thailand rank for secondary education, pupils, gaps filled?
- Thailand ranks 29th out of 206 countries with data for 2025.
- Is secondary education, pupils, gaps filled rising or falling in Thailand?
- Over the last ten years it is down 37.0%. The long-run trend across the full record is rising.
- Where does this Thailand data come from?
- The figures come from Statizoid (derived), published as part of Secondary education, pupils, gaps filled. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 55 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
Secondary education, pupils with 698 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.
Computed from
- Secondary education, pupils Data API, UN Educational, Scientific and Cultural Organization (UNESCO)
Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.
About this data
Secondary education, pupils with 698 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.