Theoretical duration of lower secondary education in Thailand
Thailand: Theoretical duration of lower secondary education was 3 years in 2025. ▬ Flat
Latest (2025)
3 years
Change on year
unchanged
World rank
88th
of 215 countries
All-time high
3 years
in 1970
All-time low
3 years
in 1970
Years of data
56
1970–2025
Theoretical duration of lower secondary education in Thailand, 1970–2025
Source: UNESCO Institute for Statistics. Measured in years.
Analysis
In 2025, theoretical duration of lower secondary education in Thailand stood at 3 years. That is the highest value across all 56 years on record.
The figure is unchanged over ten years.
Over the whole period, theoretical duration of lower secondary education in Thailand peaked at 3 years in 1970 and was at its lowest, 3 years, in 1970.
Thailand ranks 88th of 215 countries on this measure, in the middle of the range.
Theoretical duration of lower secondary education in Thailand, year by year
| Year | years | Change |
|---|---|---|
| 1970 | 3 years | — |
| 1971 | 3 years | +0.0% |
| 1972 | 3 years | +0.0% |
| 1973 | 3 years | +0.0% |
| 1974 | 3 years | +0.0% |
| 1975 | 3 years | +0.0% |
| 1976 | 3 years | +0.0% |
| 1977 | 3 years | +0.0% |
| 1978 | 3 years | +0.0% |
| 1979 | 3 years | +0.0% |
| 1980 | 3 years | +0.0% |
| 1981 | 3 years | +0.0% |
| 1982 | 3 years | +0.0% |
| 1983 | 3 years | +0.0% |
| 1984 | 3 years | +0.0% |
| 1985 | 3 years | +0.0% |
| 1986 | 3 years | +0.0% |
| 1987 | 3 years | +0.0% |
| 1988 | 3 years | +0.0% |
| 1989 | 3 years | +0.0% |
| 1990 | 3 years | +0.0% |
| 1991 | 3 years | +0.0% |
| 1992 | 3 years | +0.0% |
| 1993 | 3 years | +0.0% |
| 1994 | 3 years | +0.0% |
| 1995 | 3 years | +0.0% |
| 1996 | 3 years | +0.0% |
| 1997 | 3 years | +0.0% |
| 1998 | 3 years | +0.0% |
| 1999 | 3 years | +0.0% |
| 2000 | 3 years | +0.0% |
| 2001 | 3 years | +0.0% |
| 2002 | 3 years | +0.0% |
| 2003 | 3 years | +0.0% |
| 2004 | 3 years | +0.0% |
| 2005 | 3 years | +0.0% |
| 2006 | 3 years | +0.0% |
| 2007 | 3 years | +0.0% |
| 2008 | 3 years | +0.0% |
| 2009 | 3 years | +0.0% |
| 2010 | 3 years | +0.0% |
| 2011 | 3 years | +0.0% |
| 2012 | 3 years | +0.0% |
| 2013 | 3 years | +0.0% |
| 2014 | 3 years | +0.0% |
| 2015 | 3 years | +0.0% |
| 2016 | 3 years | +0.0% |
| 2017 | 3 years | +0.0% |
| 2018 | 3 years | +0.0% |
| 2019 | 3 years | +0.0% |
| 2020 | 3 years | +0.0% |
| 2021 | 3 years | +0.0% |
| 2022 | 3 years | +0.0% |
| 2023 | 3 years | +0.0% |
| 2024 | 3 years | +0.0% |
| 2025 | 3 years | +0.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 3 years | 3 years | 3 years | 10 |
| 1980s | 3 years | 3 years | 3 years | 10 |
| 1990s | 3 years | 3 years | 3 years | 10 |
| 2000s | 3 years | 3 years | 3 years | 10 |
| 2010s | 3 years | 3 years | 3 years | 10 |
| 2020s | 3 years | 3 years | 3 years | 6 |
Countries ranked near Thailand
- 88 Afghanistan 3 years compare
- 88 Angola 3 years compare
- 88 Argentina 3 years compare
- 88 Antigua and Barbuda 3 years compare
- 88 Burundi 3 years compare
- 88 Bangladesh 3 years compare
- 88 Bulgaria 3 years compare
- 88 Bahrain 3 years compare
- 88 Bahamas 3 years compare
- 88 Bermuda 3 years compare
- 88 Barbados 3 years compare
- 88 Botswana 3 years compare
- 88 Canada 3 years compare
- 88 Switzerland 3 years compare
- 88 China 3 years compare
- 88 Cape Verde 3 years compare
- 88 Costa Rica 3 years compare
- 88 Cuba 3 years compare
- 88 Cayman Islands 3 years compare
- 88 Cyprus 3 years compare
- 88 Dominica 3 years compare
- 88 Denmark 3 years compare
- 88 Dominican Republic 3 years compare
- 88 Ecuador 3 years compare
- 88 Egypt 3 years compare
- 88 Eritrea 3 years compare
- 88 Western Sahara 3 years compare
- 88 Spain 3 years compare
- 88 Estonia 3 years compare
- 88 Finland 3 years compare
- 88 United Kingdom 3 years compare
- 88 Georgia 3 years compare
- 88 Ghana 3 years compare
- 88 Gibraltar 3 years compare
- 88 Gambia 3 years compare
- 88 Guinea-Bissau 3 years compare
- 88 Greece 3 years compare
- 88 Grenada 3 years compare
- 88 Guatemala 3 years compare
- 88 Guyana 3 years compare
- 88 Hong Kong 3 years compare
- 88 Honduras 3 years compare
- 88 Haiti 3 years compare
- 88 Indonesia 3 years compare
- 88 India 3 years compare
- 88 Ireland 3 years compare
- 88 Iran 3 years compare
- 88 Iraq 3 years compare
- 88 Iceland 3 years compare
- 88 Israel 3 years compare
- 88 Italy 3 years compare
- 88 Jamaica 3 years compare
- 88 Japan 3 years compare
- 88 Cambodia 3 years compare
- 88 Kiribati 3 years compare
- 88 Saint Kitts and Nevis 3 years compare
- 88 South Korea 3 years compare
- 88 Lebanon 3 years compare
- 88 Liberia 3 years compare
- 88 Libya 3 years compare
- 88 Saint Lucia 3 years compare
- 88 Lesotho 3 years compare
- 88 Luxembourg 3 years compare
- 88 Latvia 3 years compare
- 88 Macao 3 years compare
- 88 Morocco 3 years compare
- 88 Mexico 3 years compare
- 88 Mali 3 years compare
- 88 Malta 3 years compare
- 88 Mozambique 3 years compare
- 88 Mauritius 3 years compare
- 88 Malaysia 3 years compare
- 88 Namibia 3 years compare
- 88 Nigeria 3 years compare
- 88 Nicaragua 3 years compare
- 88 Netherlands 3 years compare
- 88 Norway 3 years compare
- 88 Nepal 3 years compare
- 88 Pakistan 3 years compare
- 88 Panama 3 years compare
- 88 Peru 3 years compare
- 88 Puerto Rico 3 years compare
- 88 North Korea 3 years compare
- 88 Portugal 3 years compare
- 88 Paraguay 3 years compare
- 88 Qatar 3 years compare
- 88 Rwanda 3 years compare
- 88 Saudi Arabia 3 years compare
- 88 Sudan 3 years compare
- 88 Solomon Islands 3 years compare
- 88 Sierra Leone 3 years compare
- 88 El Salvador 3 years compare
- 88 San Marino 3 years compare
- 88 Sao Tome and Principe 3 years compare
- 88 Slovenia 3 years compare
- 88 Sweden 3 years compare
- 88 Eswatini 3 years compare
- 88 Seychelles 3 years compare
- 88 Syria 3 years compare
- 88 Turks and Caicos Islands 3 years compare
- 88 East Timor 3 years compare
- 88 Trinidad and Tobago 3 years compare
- 88 Tunisia 3 years compare
- 88 Uruguay 3 years compare
- 88 United States 3 years compare
- 88 Saint Vincent and the Grenadines 3 years compare
- 88 Venezuela 3 years compare
- 88 British Virgin Islands 3 years compare
- 88 United States Virgin Islands 3 years compare
- 88 Yemen 3 years compare
More education data for Thailand
- Theoretical duration of pre-primary education (years), annual growth 0 % change on previous year (2025)
- Start of the academic school year (pre-primary to post-secondary non) 0.0494 % change on previous year (2025)
- Theoretical duration of lower secondary education (years), annual 0 % change on previous year (2025)
- Theoretical duration of upper secondary education (years), annual 0 % change on previous year (2025)
- Theoretical duration of secondary education (years), annual growth 0 % change on previous year (2025)
- Start of the academic school year (tertiary education), gaps filled 2,023 tertiary education (2024)
- Start of the academic school year (tertiary education), annual growth 0.0495 % change on previous year (2024)
- 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 years (2025)
Frequently asked questions
- What is theoretical duration of lower secondary education in Thailand?
- Theoretical duration of lower secondary education in Thailand was 3 years in 2025, according to UNESCO Institute for Statistics.
- What is the highest theoretical duration of lower secondary education recorded in Thailand?
- The highest recorded value was 3 years in 1970.
- What is the lowest theoretical duration of lower secondary education recorded in Thailand?
- The lowest recorded value was 3 years in 1970.
- How does Thailand rank for theoretical duration of lower secondary education?
- Thailand ranks 88th out of 215 countries with data for 2025.
- Is theoretical duration of lower secondary education rising or falling in Thailand?
- Over the last ten years it is unchanged. The long-run trend across the full record is flat.
- Where does this Thailand data come from?
- The figures come from UNESCO Institute for Statistics, published as part of Theoretical duration of lower secondary education (years). Statizoid updates them automatically from the source API.
Download this data
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About this data
February 2026 Data Release