School life expectancy, pre-primary, both sexes in Sao Tome and Principe
Sao Tome and Principe: School life expectancy, pre-primary, both sexes was 1.26 years in 2017. ▲ Rising
School life expectancy, pre-primary, both sexes in Sao Tome and Principe, 1971–2017
Source: UNESCO Institute for Statistics. Measured in years.
Analysis
In 2017, school life expectancy, pre-primary, both sexes in Sao Tome and Principe stood at 1.26 years.
Compared with earlier readings it is down 21.5% on the previous year and up 10.0% over ten years.
Over the whole period, school life expectancy, pre-primary, both sexes in Sao Tome and Principe peaked at 1.61 years in 2016 and was at its lowest, 0.0723 years, in 1972.
Sao Tome and Principe ranks 144th of 213 countries on this measure, in the middle of the range.
The long-run direction has been consistently rising across the 30 years of available data.
School life expectancy, pre-primary, both sexes in Sao Tome and Principe, year by year
| Year | years | Change |
|---|---|---|
| 1971 | 0.0843 years | — |
| 1972 | 0.0723 years | -14.2% |
| 1977 | 0.5986 years | +727.8% |
| 1978 | 0.4666 years | -22.0% |
| 1980 | 0.5105 years | +9.4% |
| 1981 | 0.7791 years | +52.6% |
| 1982 | 0.8321 years | +6.8% |
| 1983 | 0.8574 years | +3.0% |
| 1984 | 0.8783 years | +2.4% |
| 1985 | 0.866 years | -1.4% |
| 1987 | 0.9001 years | +3.9% |
| 1988 | 0.9411 years | +4.5% |
| 1990 | 0.9016 years | -4.2% |
| 1999 | 0.9277 years | +2.9% |
| 2001 | 1.07 years | +15.0% |
| 2002 | 1.12 years | +4.6% |
| 2003 | 1.02 years | -8.2% |
| 2004 | 1.19 years | +15.9% |
| 2005 | 1.17 years | -1.8% |
| 2007 | 1.15 years | -1.4% |
| 2008 | 1.2 years | +4.3% |
| 2009 | 1.29 years | +7.7% |
| 2010 | 1.13 years | -12.5% |
| 2011 | 1.5 years | +32.4% |
| 2012 | 1.46 years | -2.3% |
| 2013 | 1.35 years | -7.4% |
| 2014 | 1.22 years | -9.9% |
| 2015 | 1.53 years | +25.1% |
| 2016 | 1.61 years | +5.5% |
| 2017 | 1.26 years | -21.5% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 0.3054 years | 0.0723 years | 0.5986 years | 4 |
| 1980s | 0.8206 years | 0.5105 years | 0.9411 years | 8 |
| 1990s | 0.9146 years | 0.9016 years | 0.9277 years | 2 |
| 2000s | 1.15 years | 1.02 years | 1.29 years | 8 |
| 2010s | 1.38 years | 1.13 years | 1.61 years | 8 |
Countries ranked near Sao Tome and Principe
More education data for Sao Tome and Principe
- Teachers in secondary education, both sexes (number), gaps filled 936 (2016)
- Repeaters in primary education, all grades, both sexes (number), gaps 4,544 (2017)
- Enrolment in pre-primary education, male (number), gaps filled 4,458 (2016)
- Enrolment in pre-primary education, female (number), gaps filled 4,769 (2016)
- Secondary education, pupils, gaps filled 25,875 (2017)
- Primary education, duration (years), annual growth rate 0 % change on previous year (2025)
- Primary education, pupils, gaps filled 37,172 (2017)
- Primary education, pupils, annual growth rate 2.14 % change on previous year (2017)
- Primary education, pupils, per unit of GDP 0.0001 units per US$ of GDP (2017)
- Primary education, pupils, per capita 0.1796 units per person (2017)
Frequently asked questions
- What is school life expectancy, pre-primary, both sexes in Sao Tome and Principe?
- School life expectancy, pre-primary, both sexes in Sao Tome and Principe was 1.26 years in 2017, according to UNESCO Institute for Statistics.
- What is the highest school life expectancy, pre-primary, both sexes recorded in Sao Tome and Principe?
- The highest recorded value was 1.61 years in 2016.
- What is the lowest school life expectancy, pre-primary, both sexes recorded in Sao Tome and Principe?
- The lowest recorded value was 0.0723 years in 1972.
- How does Sao Tome and Principe rank for school life expectancy, pre-primary, both sexes?
- Sao Tome and Principe ranks 144th out of 213 countries with data for 2017.
- Is school life expectancy, pre-primary, both sexes rising or falling in Sao Tome and Principe?
- Over the last ten years it is up 10.0%. The long-run trend across the full record is rising.
- Where does this Sao Tome and Principe data come from?
- The figures come from UNESCO Institute for Statistics, published as part of School life expectancy, pre-primary, both sexes (years). Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 30 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release