Secondary education, duration in Sao Tome and Principe
Sao Tome and Principe: Secondary education, duration was 6 years in 2025. ▼ Falling
Latest (2025)
6 years
Change on year
unchanged
World rank
91st
of 209 countries
All-time high
7 years
in 1970
All-time low
5 years
in 1999
Years of data
56
1970–2025
Secondary education, duration in Sao Tome and Principe, 1970–2025
Source: Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Measured in years.
Analysis
Sao Tome and Principe recorded 6 years for secondary education, duration in 2025.
The figure is unchanged over ten years.
Over the whole period, secondary education, duration in Sao Tome and Principe peaked at 7 years in 1970 and was at its lowest, 5 years, in 1999.
Sao Tome and Principe ranks 91st of 209 countries on this measure, in the middle of the range.
The long-run direction has been consistently falling across the 56 years of available data.
Secondary education, duration in Sao Tome and Principe, year by year
| Year | years | Change |
|---|---|---|
| 1970 | 7 years | — |
| 1971 | 7 years | +0.0% |
| 1972 | 7 years | +0.0% |
| 1973 | 7 years | +0.0% |
| 1974 | 7 years | +0.0% |
| 1975 | 7 years | +0.0% |
| 1976 | 7 years | +0.0% |
| 1977 | 7 years | +0.0% |
| 1978 | 7 years | +0.0% |
| 1979 | 7 years | +0.0% |
| 1980 | 7 years | +0.0% |
| 1981 | 7 years | +0.0% |
| 1982 | 7 years | +0.0% |
| 1983 | 7 years | +0.0% |
| 1984 | 7 years | +0.0% |
| 1985 | 7 years | +0.0% |
| 1986 | 7 years | +0.0% |
| 1987 | 7 years | +0.0% |
| 1988 | 7 years | +0.0% |
| 1989 | 7 years | +0.0% |
| 1990 | 7 years | +0.0% |
| 1991 | 7 years | +0.0% |
| 1992 | 7 years | +0.0% |
| 1993 | 7 years | +0.0% |
| 1994 | 7 years | +0.0% |
| 1995 | 7 years | +0.0% |
| 1996 | 7 years | +0.0% |
| 1997 | 7 years | +0.0% |
| 1998 | 7 years | +0.0% |
| 1999 | 5 years | -28.6% |
| 2000 | 5 years | +0.0% |
| 2001 | 5 years | +0.0% |
| 2002 | 5 years | +0.0% |
| 2003 | 5 years | +0.0% |
| 2004 | 5 years | +0.0% |
| 2005 | 5 years | +0.0% |
| 2006 | 5 years | +0.0% |
| 2007 | 5 years | +0.0% |
| 2008 | 5 years | +0.0% |
| 2009 | 5 years | +0.0% |
| 2010 | 5 years | +0.0% |
| 2011 | 6 years | +20.0% |
| 2012 | 6 years | +0.0% |
| 2013 | 6 years | +0.0% |
| 2014 | 6 years | +0.0% |
| 2015 | 6 years | +0.0% |
| 2016 | 6 years | +0.0% |
| 2017 | 6 years | +0.0% |
| 2018 | 6 years | +0.0% |
| 2019 | 6 years | +0.0% |
| 2020 | 6 years | +0.0% |
| 2021 | 6 years | +0.0% |
| 2022 | 6 years | +0.0% |
| 2023 | 6 years | +0.0% |
| 2024 | 6 years | +0.0% |
| 2025 | 6 years | +0.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 7 years | 7 years | 7 years | 10 |
| 1980s | 7 years | 7 years | 7 years | 10 |
| 1990s | 6.8 years | 5 years | 7 years | 10 |
| 2000s | 5 years | 5 years | 5 years | 10 |
| 2010s | 5.9 years | 5 years | 6 years | 10 |
| 2020s | 6 years | 6 years | 6 years | 6 |
Countries ranked near Sao Tome and Principe
- 91 Afghanistan 6 years compare
- 91 American Samoa 6 years compare
- 91 Andorra 6 years compare
- 91 Angola 6 years compare
- 91 Argentina 6 years compare
- 91 Australia 6 years compare
- 91 Bahamas 6 years compare
- 91 Bahrain 6 years compare
- 91 Belgium 6 years compare
- 91 Belize 6 years compare
- 91 Bhutan 6 years compare
- 91 Bolivia, Plurinational State of 6 years compare
- 91 British Virgin Islands 6 years compare
- 91 Cape Verde 6 years compare
- 91 Cambodia 6 years compare
- 91 Canada 6 years compare
- 91 Cayman Islands 6 years compare
- 91 Chile 6 years compare
- 91 China 6 years compare
- 91 Colombia 6 years compare
- 91 Congo, Democratic Republic of the 6 years compare
- 91 Cuba 6 years compare
- 91 Curaçao 6 years compare
- 91 Cyprus 6 years compare
- 91 Denmark 6 years compare
- 91 Dominican Republic 6 years compare
- 91 Ecuador 6 years compare
- 91 Egypt 6 years compare
- 91 El Salvador 6 years compare
- 91 Equatorial Guinea 6 years compare
- 91 Estonia 6 years compare
- 91 Ethiopia 6 years compare
- 91 Finland 6 years compare
- 91 Gambia 6 years compare
- 91 Georgia 6 years compare
- 91 Ghana 6 years compare
- 91 Greece 6 years compare
- 91 Guatemala 6 years compare
- 91 Guinea-Bissau 6 years compare
- 91 Hong Kong, China 6 years compare
- 91 Indonesia 6 years compare
- 91 Iran, Islamic Republic of 6 years compare
- 91 Iraq 6 years compare
- 91 Israel 6 years compare
- 91 Japan 6 years compare
- 91 Jordan 6 years compare
- 91 Kenya 6 years compare
- 91 Korea, Democratic People's Republic of 6 years compare
- 91 Republic of Korea 6 years compare
- 91 Latvia 6 years compare
- 91 Lebanon 6 years compare
- 91 Liberia 6 years compare
- 91 Libya 6 years compare
- 91 Macau, China 6 years compare
- 91 Malawi 6 years compare
- 91 Malaysia 6 years compare
- 91 Maldives 6 years compare
- 91 Mali 6 years compare
- 91 Marshall Islands 6 years compare
- 91 Mexico 6 years compare
- 91 Micronesia, Federated States of 6 years compare
- 91 Morocco 6 years compare
- 91 Myanmar 6 years compare
- 91 Naoero 6 years compare
- 91 Netherlands 6 years compare
- 91 Nigeria 6 years compare
- 91 Norway 6 years compare
- 91 Palau 6 years compare
- 91 Panama 6 years compare
- 91 Papua New Guinea 6 years compare
- 91 Paraguay 6 years compare
- 91 Philippines 6 years compare
- 91 Portugal 6 years compare
- 91 Puerto Rico 6 years compare
- 91 Qatar 6 years compare
- 91 Rwanda 6 years compare
- 91 Saudi Arabia 6 years compare
- 91 South Sudan 6 years compare
- 91 Spain 6 years compare
- 91 Sudan 6 years compare
- 91 Sweden 6 years compare
- 91 Syrian Arab Republic 6 years compare
- 91 Tanzania, United Republic of 6 years compare
- 91 Thailand 6 years compare
- 91 Timor-Leste 6 years compare
- 91 Uganda 6 years compare
- 91 United States of America 6 years compare
- 91 Uruguay 6 years compare
- 91 United States Virgin Islands 6 years compare
- 91 Yemen 6 years compare
- 91 Zimbabwe 6 years compare
More education data for Sao Tome and Principe
- Primary education, teachers, gaps filled 1,193 (2017)
- 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 58.6% (2025)
- Population ages 0-14 37.5% (2025)
- Lower secondary school starting age 12 years (2025)
- Primary school starting age 6 years (2025)
- Primary secondary enrollment completion rates, gaps filled 110.38 (2017)
- School enrollment, primary 110.4% (2017)
Frequently asked questions
- What is secondary education, duration in Sao Tome and Principe?
- Secondary education, duration in Sao Tome and Principe was 6 years in 2025, according to Data API, UN Educational, Scientific and Cultural Organization (UNESCO).
- What is the highest secondary education, duration recorded in Sao Tome and Principe?
- The highest recorded value was 7 years in 1970.
- What is the lowest secondary education, duration recorded in Sao Tome and Principe?
- The lowest recorded value was 5 years in 1999.
- How does Sao Tome and Principe rank for secondary education, duration?
- Sao Tome and Principe ranks 91st out of 209 countries with data for 2025.
- Is secondary education, duration rising or falling in Sao Tome and Principe?
- Over the last ten years it is unchanged. The long-run trend across the full record is falling.
- Where does this Sao Tome and Principe data come from?
- The figures come from Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as part of Secondary education, duration (years). Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 56 observations, free to reuse under CC BY 4.0 (World Bank Open Data).
About this data
Secondary duration refers to the number of grades (years) in secondary school.