Primary school completion rates, adjusted gender parity index in Sao Tome and Principe
Sao Tome and Principe: Primary school completion rates, adjusted gender parity index was 1.09 index in 2025. ▲ Rising
Primary school completion rates, adjusted gender parity index in Sao Tome and Principe, 1981–2025
Source: UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data. Measured in index.
Analysis
The most recent figure for primary school completion rates, adjusted gender parity index in Sao Tome and Principe is 1.09 index, measured in 2025.
The figure is down 0.3% on the previous year and up 0.4% over ten years.
Over the whole period, primary school completion rates, adjusted gender parity index in Sao Tome and Principe peaked at 1.1 index in 2022 and was at its lowest, 0.5092 index, in 1981.
That places Sao Tome and Principe 29th out of 165 countries with data for 2025, putting it in the top quarter.
The long-run direction has been consistently rising across the 45 years of available data.
Primary school completion rates, adjusted gender parity index in Sao Tome and Principe, year by year
| Year | index | Change |
|---|---|---|
| 1981 | 0.5092 index | — |
| 1982 | 0.5182 index | +1.8% |
| 1983 | 0.5317 index | +2.6% |
| 1984 | 0.5493 index | +3.3% |
| 1985 | 0.5679 index | +3.4% |
| 1986 | 0.5873 index | +3.4% |
| 1987 | 0.609 index | +3.7% |
| 1988 | 0.6322 index | +3.8% |
| 1989 | 0.6583 index | +4.1% |
| 1990 | 0.6866 index | +4.3% |
| 1991 | 0.7115 index | +3.6% |
| 1992 | 0.7404 index | +4.1% |
| 1993 | 0.7663 index | +3.5% |
| 1994 | 0.7871 index | +2.7% |
| 1995 | 0.8089 index | +2.8% |
| 1996 | 0.8258 index | +2.1% |
| 1997 | 0.849 index | +2.8% |
| 1998 | 0.8719 index | +2.7% |
| 1999 | 0.8922 index | +2.3% |
| 2000 | 0.9132 index | +2.4% |
| 2001 | 0.9329 index | +2.2% |
| 2002 | 0.952 index | +2.1% |
| 2003 | 0.9778 index | +2.7% |
| 2004 | 1.01 index | +2.8% |
| 2005 | 1.03 index | +2.7% |
| 2006 | 1.05 index | +2.1% |
| 2007 | 1.07 index | +1.5% |
| 2008 | 1.08 index | +1.1% |
| 2009 | 1.09 index | +0.6% |
| 2010 | 1.09 index | +0.2% |
| 2011 | 1.09 index | +0.1% |
| 2012 | 1.09 index | -0.0% |
| 2013 | 1.09 index | +0.0% |
| 2014 | 1.09 index | -0.0% |
| 2015 | 1.09 index | +0.0% |
| 2016 | 1.09 index | +0.1% |
| 2017 | 1.09 index | +0.2% |
| 2018 | 1.1 index | +0.2% |
| 2019 | 1.1 index | +0.2% |
| 2020 | 1.1 index | +0.1% |
| 2021 | 1.1 index | -0.0% |
| 2022 | 1.1 index | +0.0% |
| 2023 | 1.1 index | -0.1% |
| 2024 | 1.1 index | -0.2% |
| 2025 | 1.09 index | -0.3% |
Sao Tome and Principe compared with similar countries
- Sao Tome and Principe's 1.09 index is above the median for lower middle income countries, which is 1.06 index, 1.0× the median. (45 countries reporting)
- Sao Tome and Principe's 1.09 index is above the median for Sub-Saharan Africa, which is 1.09 index, 1.0× the median. (45 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 0.5737 index | 0.5092 index | 0.6583 index | 9 |
| 1990s | 0.794 index | 0.6866 index | 0.8922 index | 10 |
| 2000s | 1.01 index | 0.9132 index | 1.09 index | 10 |
| 2010s | 1.09 index | 1.09 index | 1.1 index | 10 |
| 2020s | 1.1 index | 1.09 index | 1.1 index | 6 |
Countries ranked near Sao Tome and Principe
More gender data for Sao Tome and Principe
- Child population (UN estimates and projections) 94.27 (2030)
- Child population (UN estimates and projections) (0-14), annual growth 0.9834 % change on previous year (2030)
- Population 170.29 (2030)
- Working-age population (UN estimates and projections) 170.29 (2030)
- Population (UN estimates and projections), annual growth rate 2.43 % change on previous year (2030)
- Age population, age 00, female, interpolated 3,245 (2025)
- Age population, age 00, male, interpolated 3,330 (2025)
- Age population, age 01, female, interpolated 3,189 (2025)
- Age population, age 01, male, interpolated 3,272 (2025)
- Age population, age 02, female, interpolated 3,129 (2025)
Frequently asked questions
- What is primary school completion rates, adjusted gender parity index in Sao Tome and Principe?
- Primary school completion rates, adjusted gender parity index in Sao Tome and Principe was 1.09 index in 2025, according to UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data.
- What is the highest primary school completion rates, adjusted gender parity index recorded in Sao Tome and Principe?
- The highest recorded value was 1.1 index in 2022.
- What is the lowest primary school completion rates, adjusted gender parity index recorded in Sao Tome and Principe?
- The lowest recorded value was 0.5092 index in 1981.
- How does Sao Tome and Principe rank for primary school completion rates, adjusted gender parity index?
- Sao Tome and Principe ranks 29th out of 165 countries with data for 2025.
- Is primary school completion rates, adjusted gender parity index rising or falling in Sao Tome and Principe?
- Over the last ten years it is up 0.4%. 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 (2026) – with minor processing by Our World in Data, published as part of Primary school completion rates, adjusted gender parity index. Statizoid updates them automatically from the source API.
Download this data
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About this data
An adjusted gender parity index of 1 indicates equal primary school completion rates between boys and girls. Values below 1 favor boys, and values above 1 favor girls.