Lower secondary school completion rates, adjusted gender parity index in Sao Tome and Principe
Sao Tome and Principe: Lower secondary school completion rates, adjusted gender parity index was 1.01 index in 2025. ▲ Rising
Lower secondary 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
Sao Tome and Principe recorded 1.01 index for lower secondary school completion rates, adjusted gender parity index in 2025.
The figure is down 0.4% on the previous year and down 8.0% over ten years.
Over the whole period, lower secondary school completion rates, adjusted gender parity index in Sao Tome and Principe peaked at 1.13 index in 2012 and was at its lowest, 0.4159 index, in 1985.
That places Sao Tome and Principe 96th out of 164 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently rising across the 45 years of available data.
Lower secondary school completion rates, adjusted gender parity index in Sao Tome and Principe, year by year
| Year | index | Change |
|---|---|---|
| 1981 | 0.4541 index | — |
| 1982 | 0.4459 index | -1.8% |
| 1983 | 0.4328 index | -2.9% |
| 1984 | 0.4223 index | -2.4% |
| 1985 | 0.4159 index | -1.5% |
| 1986 | 0.4167 index | +0.2% |
| 1987 | 0.4271 index | +2.5% |
| 1988 | 0.4551 index | +6.6% |
| 1989 | 0.4934 index | +8.4% |
| 1990 | 0.5344 index | +8.3% |
| 1991 | 0.5771 index | +8.0% |
| 1992 | 0.619 index | +7.3% |
| 1993 | 0.6576 index | +6.2% |
| 1994 | 0.688 index | +4.6% |
| 1995 | 0.7107 index | +3.3% |
| 1996 | 0.7323 index | +3.0% |
| 1997 | 0.7381 index | +0.8% |
| 1998 | 0.7535 index | +2.1% |
| 1999 | 0.7692 index | +2.1% |
| 2000 | 0.7969 index | +3.6% |
| 2001 | 0.8273 index | +3.8% |
| 2002 | 0.8584 index | +3.8% |
| 2003 | 0.8818 index | +2.7% |
| 2004 | 0.8989 index | +1.9% |
| 2005 | 0.914 index | +1.7% |
| 2006 | 0.9339 index | +2.2% |
| 2007 | 0.9625 index | +3.1% |
| 2008 | 1 index | +4.4% |
| 2009 | 1.06 index | +5.5% |
| 2010 | 1.1 index | +3.9% |
| 2011 | 1.13 index | +2.2% |
| 2012 | 1.13 index | +0.6% |
| 2013 | 1.13 index | -0.6% |
| 2014 | 1.11 index | -1.0% |
| 2015 | 1.1 index | -1.3% |
| 2016 | 1.08 index | -1.5% |
| 2017 | 1.07 index | -1.3% |
| 2018 | 1.06 index | -1.2% |
| 2019 | 1.04 index | -1.3% |
| 2020 | 1.03 index | -0.8% |
| 2021 | 1.03 index | -0.4% |
| 2022 | 1.02 index | -0.5% |
| 2023 | 1.02 index | -0.3% |
| 2024 | 1.02 index | -0.5% |
| 2025 | 1.01 index | -0.4% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 0.4404 index | 0.4159 index | 0.4934 index | 9 |
| 1990s | 0.678 index | 0.5344 index | 0.7692 index | 10 |
| 2000s | 0.9138 index | 0.7969 index | 1.06 index | 10 |
| 2010s | 1.1 index | 1.04 index | 1.13 index | 10 |
| 2020s | 1.02 index | 1.01 index | 1.03 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)
- 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)
- Age population, age 02, male, interpolated 3,210 (2025)
- Age population, age 03, female, interpolated 3,072 (2025)
- Age population, age 03, male, interpolated 3,152 (2025)
Frequently asked questions
- What is lower secondary school completion rates, adjusted gender parity index in Sao Tome and Principe?
- Lower secondary school completion rates, adjusted gender parity index in Sao Tome and Principe was 1.01 index in 2025, according to UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data.
- What is the highest lower secondary school completion rates, adjusted gender parity index recorded in Sao Tome and Principe?
- The highest recorded value was 1.13 index in 2012.
- What is the lowest lower secondary school completion rates, adjusted gender parity index recorded in Sao Tome and Principe?
- The lowest recorded value was 0.4159 index in 1985.
- How does Sao Tome and Principe rank for lower secondary school completion rates, adjusted gender parity index?
- Sao Tome and Principe ranks 96th out of 164 countries with data for 2025.
- Is lower secondary school completion rates, adjusted gender parity index rising or falling in Sao Tome and Principe?
- Over the last ten years it is down 8.0%. 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 (2026) – with minor processing by Our World in Data, published as part of Lower secondary school completion rates, adjusted gender parity index. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 45 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
An adjusted gender parity index of 1 indicates equal lower secondary school completion rates between boys and girls. Values below 1 favor boys, and values above 1 favor girls.