Completion rate, lower secondary education, both sexes (modelled data) in Thailand

Thailand: Completion rate, lower secondary education, both sexes (modelled data) was 92.3% in 2025. ▲ Rising

Latest (2025)
92.3%
Change on year
up 0.8%
World rank
73rd
of 164 countries
All-time high
92.3%
in 2025
All-time low
31.5%
in 1981
Years of data
45
1981–2025

Completion rate, lower secondary education, both sexes (modelled data) in Thailand, 1981–2025

4060801001981200320251981: 31.5 %1982: 32.2 %1983: 32.9 %1984: 33.8 %1985: 35.2 %1986: 37 %1987: 38.8 %1988: 40.5 %1989: 42.1 %1990: 43.6 %1991: 45.4 %1992: 47.6 %1993: 50.4 %1994: 53.7 %1995: 57.3 %1996: 61.3 %1997: 65.7 %1998: 70 %1999: 73.6 %2000: 76 %2001: 77.7 %2002: 78.8 %2003: 79.9 %2004: 81 %2005: 82 %2006: 82.8 %2007: 83.2 %2008: 83.6 %2009: 84 %2010: 84.5 %2011: 85 %2012: 85.3 %2013: 85.6 %2014: 85.8 %2015: 85.9 %2016: 86 %2017: 86.2 %2018: 86.6 %2019: 87.3 %2020: 88.1 %2021: 89 %2022: 89.9 %2023: 90.8 %2024: 91.6 %2025: 92.3 %

Source: UNESCO Institute for Statistics. Measured in %.

Analysis

Thailand recorded 92.3% for completion rate, lower secondary education, both sexes (modelled data) in 2025. That is the highest value across all 45 years on record.

The figure is up 0.8% on the previous year and up 7.5% over ten years.

Over the whole period, completion rate, lower secondary education, both sexes (modelled data) in Thailand peaked at 92.3% in 2025 and was at its lowest, 31.5%, in 1981.

Thailand ranks 73rd of 164 countries on this measure, in the middle of the range.

The long-run direction has been consistently rising across the 45 years of available data.

Completion rate, lower secondary education, both sexes (modelled data) in Thailand, year by year

Annual values for Completion rate, lower secondary education, both sexes (modelled data) (%) in Thailand, 1981 to 2025.
Year % Change
1981 31.5%
1982 32.2% +2.3%
1983 32.9% +2.1%
1984 33.8% +2.8%
1985 35.2% +4.1%
1986 37.0% +5.1%
1987 38.8% +4.9%
1988 40.5% +4.3%
1989 42.1% +4.1%
1990 43.6% +3.6%
1991 45.4% +4.0%
1992 47.6% +4.9%
1993 50.4% +6.0%
1994 53.7% +6.5%
1995 57.3% +6.8%
1996 61.3% +7.0%
1997 65.7% +7.2%
1998 70.0% +6.4%
1999 73.6% +5.2%
2000 76.0% +3.3%
2001 77.7% +2.2%
2002 78.8% +1.4%
2003 79.9% +1.4%
2004 81.0% +1.4%
2005 82.0% +1.2%
2006 82.8% +0.9%
2007 83.2% +0.5%
2008 83.6% +0.4%
2009 84.0% +0.5%
2010 84.5% +0.6%
2011 85.0% +0.5%
2012 85.3% +0.4%
2013 85.6% +0.3%
2014 85.8% +0.2%
2015 85.9% +0.1%
2016 86.0% +0.1%
2017 86.2% +0.3%
2018 86.6% +0.5%
2019 87.3% +0.8%
2020 88.1% +0.9%
2021 89.0% +1.0%
2022 89.9% +1.0%
2023 90.8% +1.0%
2024 91.6% +0.9%
2025 92.3% +0.8%

Averages by decade

DecadeAverage LowestHighest Years
1980s 36.0% 31.5% 42.1% 9
1990s 56.9% 43.6% 73.6% 10
2000s 80.9% 76.0% 84.0% 10
2010s 85.8% 84.5% 87.3% 10
2020s 90.3% 88.1% 92.3% 6

Countries ranked near Thailand

  1. 70 Romania 93.2% compare
  2. 71 Peru 93.1% compare
  3. 72 Germany 92.7% compare
  4. 74 Iran, Islamic Republic of 92.1% compare
  5. 75 Belgium 91.7% compare
  6. 76 Indonesia 91.4% compare

See the full ranking of 164 places →

More education data for Thailand

All data for Thailand →

Frequently asked questions

What is completion rate, lower secondary education, both sexes (modelled data) in Thailand?
Completion rate, lower secondary education, both sexes (modelled data) in Thailand was 92.3% in 2025, according to UNESCO Institute for Statistics.
What is the highest completion rate, lower secondary education, both sexes (modelled data) recorded in Thailand?
The highest recorded value was 92.3% in 2025.
What is the lowest completion rate, lower secondary education, both sexes (modelled data) recorded in Thailand?
The lowest recorded value was 31.5% in 1981.
How does Thailand rank for completion rate, lower secondary education, both sexes (modelled data)?
Thailand ranks 73rd out of 164 countries with data for 2025.
Is completion rate, lower secondary education, both sexes (modelled data) rising or falling in Thailand?
Over the last ten years it is up 7.5%. The long-run trend across the full record is rising.
Where does this Thailand data come from?
The figures come from UNESCO Institute for Statistics, published as part of Completion rate, lower secondary education, both sexes (modelled data) (%). Statizoid updates them automatically from the source API.

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Completion rate, lower secondary education, both sexes (modelled data) in Thailand. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 25 August 2026, from https://education.statizoid.com/stat/completion-rate-lower-secondary-education-both-sexes-modelled-data-percent/thailand/

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About this data

Indicator
Completion rate, lower secondary education, both sexes (modelled data) (%)
Unit
%
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
164 places, 7,240 data points, 1981–2025
Last refreshed

February 2026 Data Release