School life expectancy, secondary, both sexes (years) (life both) in Thailand
Thailand: School life expectancy, secondary, both sexes (years) (life both) was 5.51 years in 2025. ◆ Volatile
School life expectancy, secondary, both sexes in Thailand, 1971–2025
Source: UNESCO Institute for Statistics. Measured in years.
Analysis
Thailand recorded 5.51 years for school life expectancy, secondary, both sexes in 2025.
Compared with earlier readings it is down 15.6% on the previous year and down 24.3% over ten years.
Over the whole period, school life expectancy, secondary, both sexes in Thailand peaked at 7.28 years in 2015 and was at its lowest, 0.8582 years, in 1971.
Thailand ranks 112th of 214 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
School life expectancy, secondary, both sexes (years) (life both) in Thailand, year by year
| Year | years | Change |
|---|---|---|
| 1971 | 0.8582 years | — |
| 1972 | 0.9226 years | +7.5% |
| 1973 | 1 years | +8.5% |
| 1974 | 1.09 years | +8.7% |
| 1975 | 1.16 years | +6.2% |
| 1976 | 1.25 years | +8.5% |
| 1977 | 1.35 years | +7.5% |
| 1978 | 1.37 years | +1.3% |
| 1979 | 1.64 years | +19.8% |
| 1980 | 1.65 years | +1.0% |
| 1981 | 1.71 years | +3.7% |
| 1982 | 1.74 years | +1.5% |
| 1984 | 1.86 years | +7.1% |
| 1985 | 1.9 years | +1.9% |
| 1986 | 1.88 years | -0.8% |
| 1987 | 1.83 years | -2.7% |
| 1988 | 1.78 years | -3.1% |
| 1989 | 1.76 years | -0.9% |
| 1990 | 1.8 years | +2.3% |
| 1991 | 1.93 years | +7.4% |
| 1992 | 2.16 years | +11.5% |
| 1993 | 2.44 years | +13.0% |
| 1994 | 2.76 years | +13.0% |
| 1995 | 3.08 years | +11.6% |
| 1996 | 3.45 years | +12.3% |
| 1997 | 3.57 years | +3.3% |
| 1998 | 3.72 years | +4.1% |
| 2001 | 3.83 years | +3.2% |
| 2002 | 3.93 years | +2.5% |
| 2004 | 4.05 years | +3.0% |
| 2005 | 4.31 years | +6.5% |
| 2006 | 4.29 years | -0.4% |
| 2007 | 4.55 years | +6.0% |
| 2008 | 4.52 years | -0.5% |
| 2009 | 4.62 years | +2.1% |
| 2010 | 4.72 years | +2.3% |
| 2011 | 5.22 years | +10.5% |
| 2012 | 5.11 years | -2.1% |
| 2013 | 5.03 years | -1.6% |
| 2014 | 7.25 years | +44.0% |
| 2015 | 7.28 years | +0.5% |
| 2016 | 7.14 years | -1.9% |
| 2017 | 6.98 years | -2.3% |
| 2018 | 6.98 years | +0.0% |
| 2019 | 6.88 years | -1.5% |
| 2020 | 6.8 years | -1.2% |
| 2021 | 5.14 years | -24.3% |
| 2022 | 5.34 years | +3.9% |
| 2023 | 5.64 years | +5.6% |
| 2024 | 6.53 years | +15.7% |
| 2025 | 5.51 years | -15.6% |
Thailand compared with similar countries
- Thailand's 5.51 years is below the median for upper middle income countries, which is 5.89 years, 94% of the median. (58 countries reporting)
- Thailand's 5.51 years is below the median for East Asia & Pacific, which is 5.77 years, 96% of the median. (33 countries reporting)
Biggest year-on-year movements
Years where School life expectancy, secondary, both sexes (years) (life both) 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 | +44.0% | 5.03 years | 7.25 years |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 1.18 years | 0.8582 years | 1.64 years | 9 |
| 1980s | 1.79 years | 1.65 years | 1.9 years | 9 |
| 1990s | 2.77 years | 1.8 years | 3.72 years | 9 |
| 2000s | 4.26 years | 3.83 years | 4.62 years | 8 |
| 2010s | 6.26 years | 4.72 years | 7.28 years | 10 |
| 2020s | 5.83 years | 5.14 years | 6.8 years | 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 school life expectancy, secondary, both sexes in Thailand?
- School life expectancy, secondary, both sexes in Thailand was 5.51 years in 2025, according to UNESCO Institute for Statistics.
- What is the highest school life expectancy, secondary, both sexes recorded in Thailand?
- The highest recorded value was 7.28 years in 2015.
- What is the lowest school life expectancy, secondary, both sexes recorded in Thailand?
- The lowest recorded value was 0.8582 years in 1971.
- How does Thailand rank for school life expectancy, secondary, both sexes?
- Thailand ranks 112th out of 214 countries with data for 2025.
- Is school life expectancy, secondary, both sexes rising or falling in Thailand?
- Over the last ten years it is down 24.3%. The long-run trend across the full record is volatile.
- Where does this Thailand data come from?
- The figures come from UNESCO Institute for Statistics, published as part of School life expectancy, secondary, both sexes (years). Statizoid updates them automatically from the source API.
Download this data
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About this data
February 2026 Data Release