Lower secondary completion rate, total in Thailand

Thailand: Lower secondary completion rate, total was 95.7% in 2025. ▲ Rising

Latest (2025)
95.7%
Change on year
down 6.9%
World rank
58th
of 187 countries
All-time high
102.8%
in 2024
All-time low
22.6%
in 1975
Years of data
15
1975–2025

Lower secondary completion rate, total in Thailand, 1975–2025

204060801001975200020251975: 22.6 % of relevant age group1976: 24.7 % of relevant age group1977: 26.1 % of relevant age group1978: 26.9 % of relevant age group2015: 81.2 % of relevant age group2016: 82.4 % of relevant age group2017: 80.4 % of relevant age group2018: 82.2 % of relevant age group2019: 85.7 % of relevant age group2020: 87.8 % of relevant age group2021: 89.4 % of relevant age group2022: 91.4 % of relevant age group2023: 96.4 % of relevant age group2024: 102.8 % of relevant age group2025: 95.7 % of relevant age group

Source: Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Measured in % of relevant age group.

Analysis

Thailand recorded 95.7% for lower secondary completion rate, total in 2025.

That represents a change of down 6.9% on the previous year and up 18.0% over ten years.

Over the whole period, lower secondary completion rate, total in Thailand peaked at 102.8% in 2024 and was at its lowest, 22.6%, in 1975.

Thailand ranks 58th of 187 countries on this measure, in the middle of the range.

The long-run direction has been consistently rising across the 15 years of available data.

Lower secondary completion rate, total in Thailand, year by year

Annual values for Lower secondary completion rate, total (% of relevant age group) in Thailand, 1975 to 2025.
Year % of relevant age group Change
1975 22.6%
1976 24.7% +9.4%
1977 26.1% +5.7%
1978 26.9% +2.8%
2015 81.2% +202.1%
2016 82.4% +1.6%
2017 80.4% -2.4%
2018 82.2% +2.3%
2019 85.7% +4.1%
2020 87.8% +2.5%
2021 89.4% +1.8%
2022 91.4% +2.3%
2023 96.4% +5.5%
2024 102.8% +6.6%
2025 95.7% -6.9%

Averages by decade

DecadeAverage LowestHighest Years
1970s 25.1% 22.6% 26.9% 4
2010s 82.4% 80.4% 85.7% 5
2020s 93.9% 87.8% 102.8% 6

Countries ranked near Thailand

  1. 55 Switzerland 96.0% compare
  2. 56 Kiribati 96.0% compare
  3. 57 Austria 95.8% compare
  4. 59 Serbia 95.3% compare
  5. 60 Oman 95.3% compare
  6. 61 Bahamas 95.3% compare

See the full ranking of 232 places →

More education data for Thailand

All data for Thailand →

Frequently asked questions

What is lower secondary completion rate, total in Thailand?
Lower secondary completion rate, total in Thailand was 95.7% in 2025, according to Data API, UN Educational, Scientific and Cultural Organization (UNESCO).
What is the highest lower secondary completion rate, total recorded in Thailand?
The highest recorded value was 102.8% in 2024.
What is the lowest lower secondary completion rate, total recorded in Thailand?
The lowest recorded value was 22.6% in 1975.
How does Thailand rank for lower secondary completion rate, total?
Thailand ranks 58th out of 187 countries with data for 2025.
Is lower secondary completion rate, total rising or falling in Thailand?
Over the last ten years it is up 18.0%. The long-run trend across the full record is rising.
Where does this Thailand data come from?
The figures come from Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as part of Lower secondary completion rate, total (% of relevant age group). Statizoid updates them automatically from the source API.

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Lower secondary completion rate, total in Thailand. Statizoid, drawing on Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Retrieved 28 August 2026, from https://education.statizoid.com/stat/lower-secondary-completion-rate-total-percent-of-relevant-age-group/thailand/

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About this data

Indicator
Lower secondary completion rate, total (% of relevant age group)
Unit
% of relevant age group
Source
Data API, UN Educational, Scientific and Cultural Organization (UNESCO)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
232 places, 5,918 data points, 1970–2025
Last refreshed

Lower secondary education completion rate is measured as the gross intake ratio to the last grade of lower secondary education (general and pre-vocational). It is calculated as the number of new entrants in the last grade of lower secondary education, regardless of age, divided by the population at the entrance age for the last grade of lower secondary education.