Theoretical duration of lower secondary education (years) in Sri Lanka
Sri Lanka: Theoretical duration of lower secondary education (years) was 4 years in 2025. ▼ Falling
Latest (2025)
4 years
Change on year
unchanged
World rank
18th
of 221 countries
All-time high
5 years
in 1970
All-time low
4 years
in 1998
Years of data
56
1970–2025
Theoretical duration of lower secondary education in Sri Lanka, 1970–2025
Source: UNESCO Institute for Statistics. Measured in years.
Analysis
In 2025, theoretical duration of lower secondary education in Sri Lanka stood at 4 years. That is the lowest 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 Sri Lanka peaked at 5 years in 1970 and was at its lowest, 4 years, in 1998.
Sri Lanka ranks 18th of 221 countries on this measure, in the top 10%.
The long-run direction has been consistently falling across the 56 years of available data.
Theoretical duration of lower secondary education (years) in Sri Lanka, year by year
| Year | years | Change |
|---|---|---|
| 1970 | 5 years | — |
| 1971 | 5 years | +0.0% |
| 1972 | 5 years | +0.0% |
| 1973 | 5 years | +0.0% |
| 1974 | 5 years | +0.0% |
| 1975 | 5 years | +0.0% |
| 1976 | 5 years | +0.0% |
| 1977 | 5 years | +0.0% |
| 1978 | 5 years | +0.0% |
| 1979 | 5 years | +0.0% |
| 1980 | 5 years | +0.0% |
| 1981 | 5 years | +0.0% |
| 1982 | 5 years | +0.0% |
| 1983 | 5 years | +0.0% |
| 1984 | 5 years | +0.0% |
| 1985 | 5 years | +0.0% |
| 1986 | 5 years | +0.0% |
| 1987 | 5 years | +0.0% |
| 1988 | 5 years | +0.0% |
| 1989 | 5 years | +0.0% |
| 1990 | 5 years | +0.0% |
| 1991 | 5 years | +0.0% |
| 1992 | 5 years | +0.0% |
| 1993 | 5 years | +0.0% |
| 1994 | 5 years | +0.0% |
| 1995 | 5 years | +0.0% |
| 1996 | 5 years | +0.0% |
| 1997 | 5 years | +0.0% |
| 1998 | 4 years | -20.0% |
| 1999 | 4 years | +0.0% |
| 2000 | 4 years | +0.0% |
| 2001 | 4 years | +0.0% |
| 2002 | 4 years | +0.0% |
| 2003 | 4 years | +0.0% |
| 2004 | 4 years | +0.0% |
| 2005 | 4 years | +0.0% |
| 2006 | 4 years | +0.0% |
| 2007 | 4 years | +0.0% |
| 2008 | 4 years | +0.0% |
| 2009 | 4 years | +0.0% |
| 2010 | 4 years | +0.0% |
| 2011 | 4 years | +0.0% |
| 2012 | 4 years | +0.0% |
| 2013 | 4 years | +0.0% |
| 2014 | 4 years | +0.0% |
| 2015 | 4 years | +0.0% |
| 2016 | 4 years | +0.0% |
| 2017 | 4 years | +0.0% |
| 2018 | 4 years | +0.0% |
| 2019 | 4 years | +0.0% |
| 2020 | 4 years | +0.0% |
| 2021 | 4 years | +0.0% |
| 2022 | 4 years | +0.0% |
| 2023 | 4 years | +0.0% |
| 2024 | 4 years | +0.0% |
| 2025 | 4 years | +0.0% |
Sri Lanka compared with similar countries
- Sri Lanka's 4 years is above the median for upper middle income countries, which is 3.5 years, 1.1× the median. (58 countries reporting)
- Sri Lanka's 4 years is above the median for South Asia, which is 3.5 years, 1.1× the median. (6 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 5 years | 5 years | 5 years | 10 |
| 1980s | 5 years | 5 years | 5 years | 10 |
| 1990s | 4.8 years | 4 years | 5 years | 10 |
| 2000s | 4 years | 4 years | 4 years | 10 |
| 2010s | 4 years | 4 years | 4 years | 10 |
| 2020s | 4 years | 4 years | 4 years | 6 |
Countries ranked near Sri Lanka
- 18 Albania 4 years compare
- 18 Andorra 4 years compare
- 18 United Arab Emirates 4 years compare
- 18 American Samoa 4 years compare
- 18 Australia 4 years compare
- 18 Austria 4 years compare
- 18 Benin 4 years compare
- 18 Burkina Faso 4 years compare
- 18 Bosnia and Herzegovina 4 years compare
- 18 Belize 4 years compare
- 18 Brazil 4 years compare
- 18 Bhutan 4 years compare
- 18 Central African Republic 4 years compare
- 18 Cote d'Ivoire 4 years compare
- 18 Cameroon 4 years compare
- 18 Congo 4 years compare
- 18 Cook Islands 4 years compare
- 18 Colombia 4 years compare
- 18 Comoros 4 years compare
- 18 Curacao 4 years compare
- 18 Czechia 4 years compare
- 18 Djibouti 4 years compare
- 18 Algeria 4 years compare
- 18 Ethiopia 4 years compare
- 18 Fiji 4 years compare
- 18 France 4 years compare
- 18 Gabon 4 years compare
- 18 Guinea 4 years compare
- 18 Guadeloupe 4 years compare
- 18 Equatorial Guinea 4 years compare
- 18 French Guiana 4 years compare
- 18 Croatia 4 years compare
- 18 Hungary 4 years compare
- 18 Jordan 4 years compare
- 18 Kuwait 4 years compare
- 18 Laos 4 years compare
- 18 Liechtenstein 4 years compare
- 18 Monaco 4 years compare
- 18 Madagascar 4 years compare
- 18 Maldives 4 years compare
- 18 North Macedonia 4 years compare
- 18 Myanmar 4 years compare
- 18 Montenegro 4 years compare
- 18 Mongolia 4 years compare
- 18 Mauritania 4 years compare
- 18 Martinique 4 years compare
- 18 Malawi 4 years compare
- 18 New Caledonia 4 years compare
- 18 Niger 4 years compare
- 18 Niue 4 years compare
- 18 Nauru 4 years compare
- 18 New Zealand 4 years compare
- 18 Philippines 4 years compare
- 18 Papua New Guinea 4 years compare
- 18 Poland 4 years compare
- 18 French Polynesia 4 years compare
- 18 Reunion 4 years compare
- 18 Romania 4 years compare
- 18 Senegal 4 years compare
- 18 Somalia 4 years compare
- 18 Saint Pierre and Miquelon 4 years compare
- 18 Serbia 4 years compare
- 18 Suriname 4 years compare
- 18 Chad 4 years compare
- 18 Togo 4 years compare
- 18 Tonga 4 years compare
- 18 Turkey 4 years compare
- 18 Tuvalu 4 years compare
- 18 Tanzania 4 years compare
- 18 Uganda 4 years compare
- 18 Vietnam 4 years compare
- 18 Vanuatu 4 years compare
More education data for Sri Lanka
- Teachers in secondary education, both sexes (number), gaps filled 155,543 (2023)
- Repeaters in primary education, all grades, both sexes (number), gaps 0 (2023)
- Enrolment in pre-primary education, male (number), gaps filled 224,799 (2023)
- Enrolment in pre-primary education, female (number), gaps filled 214,300 (2023)
- Secondary education, pupils, gaps filled 2.54 million (2023)
- Primary education, duration (years), annual growth rate 0 % change on previous year (2025)
- Primary education, pupils, gaps filled 1.58 million (2023)
- Primary education, pupils, annual growth rate -2.89 % change on previous year (2023)
- Primary education, pupils, per unit of GDP 0 units per US$ of GDP (2023)
- Primary education, pupils, per capita 0.0715 units per person (2023)
Frequently asked questions
- What is theoretical duration of lower secondary education in Sri Lanka?
- Theoretical duration of lower secondary education in Sri Lanka was 4 years in 2025, according to UNESCO Institute for Statistics.
- What is the highest theoretical duration of lower secondary education recorded in Sri Lanka?
- The highest recorded value was 5 years in 1970.
- What is the lowest theoretical duration of lower secondary education recorded in Sri Lanka?
- The lowest recorded value was 4 years in 1998.
- How does Sri Lanka rank for theoretical duration of lower secondary education?
- Sri Lanka ranks 18th out of 221 countries with data for 2025.
- Is theoretical duration of lower secondary education rising or falling in Sri Lanka?
- Over the last ten years it is unchanged. The long-run trend across the full record is falling.
- Where does this Sri Lanka 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
CSV · JSON — 56 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release