School life expectancy, secondary, both sexes in Thailand
Thailand: School life expectancy, secondary, both sexes was 5.51 years in 2025. ◆ Volatile
Latest (2025)
5.51 years
Change on year
down 15.6%
World rank
112th
of 214 countries
All-time high
7.28 years
in 2015
All-time low
0.8582 years
in 1971
Years of data
51
1971–2025
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 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% |
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
- 109 India 5.59 years compare
- 110 Macau, China 5.59 years compare
- 111 China 5.54 years compare
- 113 Jordan 5.49 years compare
- 114 Antigua and Barbuda 5.48 years compare
- 115 Bolivia, Plurinational State of 5.47 years compare
More education data for Thailand
- Primary education, teachers, gaps filled 305,368 (2025)
- Duration of pre primary education, annual growth rate 0 % change on previous year (2025)
- Duration of pre primary education 3 (2025)
- Official entrance age to pre primary education 3 (2025)
- Population ages 15-64 69.6% (2025)
- Population ages 0-14 14.4% (2025)
- Lower secondary school starting age 12 years (2025)
- Primary school starting age 6 years (2025)
- Primary secondary enrollment completion rates, gaps filled 100.73 (2025)
- School enrollment, primary 100.7% (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
CSV · JSON — 51 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release