Primary school life expectancy, adjusted gender parity index in Sao Tome and Principe
Sao Tome and Principe: Primary school life expectancy, adjusted gender parity index was 0.9452 index in 2017. ▬ Flat
Primary school life expectancy, adjusted gender parity index in Sao Tome and Principe, 1971–2017
Source: UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data. Measured in index.
Analysis
In 2017, primary school life expectancy, adjusted gender parity index in Sao Tome and Principe stood at 0.9452 index.
The figure is up 0.4% on the previous year and down 5.1% over ten years.
Over the whole period, primary school life expectancy, adjusted gender parity index in Sao Tome and Principe peaked at 1.08 index in 1972 and was at its lowest, 0.8286 index, in 1998.
Sao Tome and Principe ranks 192nd of 215 countries on this measure, in the bottom quarter.
Primary school life expectancy, adjusted gender parity index in Sao Tome and Principe, year by year
| Year | index | Change |
|---|---|---|
| 1971 | 0.8978 index | — |
| 1972 | 1.08 index | +20.4% |
| 1973 | 0.908 index | -16.0% |
| 1977 | 1.02 index | +11.8% |
| 1978 | 0.9765 index | -3.8% |
| 1983 | 0.9721 index | -0.5% |
| 1984 | 0.9606 index | -1.2% |
| 1987 | 0.9347 index | -2.7% |
| 1988 | 0.94 index | +0.6% |
| 1990 | 0.9013 index | -4.1% |
| 1991 | 0.9059 index | +0.5% |
| 1992 | 0.9593 index | +5.9% |
| 1996 | 0.9798 index | +2.1% |
| 1998 | 0.8286 index | -15.4% |
| 1999 | 0.979 index | +18.2% |
| 2002 | 0.974 index | -0.5% |
| 2003 | 0.9783 index | +0.4% |
| 2004 | 0.9845 index | +0.6% |
| 2005 | 0.9772 index | -0.7% |
| 2007 | 0.9956 index | +1.9% |
| 2008 | 0.975 index | -2.1% |
| 2009 | 0.9944 index | +2.0% |
| 2010 | 0.9774 index | -1.7% |
| 2011 | 0.9528 index | -2.5% |
| 2012 | 0.9454 index | -0.8% |
| 2013 | 0.9531 index | +0.8% |
| 2014 | 0.9381 index | -1.6% |
| 2015 | 0.9385 index | +0.0% |
| 2016 | 0.9415 index | +0.3% |
| 2017 | 0.9452 index | +0.4% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 0.9756 index | 0.8978 index | 1.08 index | 5 |
| 1980s | 0.9518 index | 0.9347 index | 0.9721 index | 4 |
| 1990s | 0.9256 index | 0.8286 index | 0.9798 index | 6 |
| 2000s | 0.9827 index | 0.974 index | 0.9956 index | 7 |
| 2010s | 0.949 index | 0.9381 index | 0.9774 index | 8 |
Countries ranked near Sao Tome and Principe
- 189 Mauritius 0.9488 index compare
- 190 Namibia 0.9466 index compare
- 191 Congo, Democratic Republic of the 0.9459 index compare
- 193 Guinea-Bissau 0.9436 index compare
- 194 French Polynesia 0.943 index compare
- 195 Mozambique 0.9429 index compare
More health data for Sao Tome and Principe
- Un projection of annual infant deaths, annual growth rate -6.25 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 1.35 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 793.5 deaths per 1,000 people (2090)
- Number of infants who die before age 1 15 deaths (2100)
- Population ages 15-19, male, annual growth rate 1.11 % change on previous year (2025)
- Population ages 15-19, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 15-19, male, per capita 0.0574 units per person (2025)
- Population ages 20-24, female, annual growth rate 4.48 % change on previous year (2025)
- Population ages 20-24, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 20-24, female, per capita 0.0495 units per person (2025)
Frequently asked questions
- What is primary school life expectancy, adjusted gender parity index in Sao Tome and Principe?
- Primary school life expectancy, adjusted gender parity index in Sao Tome and Principe was 0.9452 index in 2017, according to UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data.
- What is the highest primary school life expectancy, adjusted gender parity index recorded in Sao Tome and Principe?
- The highest recorded value was 1.08 index in 1972.
- What is the lowest primary school life expectancy, adjusted gender parity index recorded in Sao Tome and Principe?
- The lowest recorded value was 0.8286 index in 1998.
- How does Sao Tome and Principe rank for primary school life expectancy, adjusted gender parity index?
- Sao Tome and Principe ranks 192nd out of 215 countries with data for 2017.
- Is primary school life expectancy, adjusted gender parity index rising or falling in Sao Tome and Principe?
- Over the last ten years it is down 5.1%. The long-run trend across the full record is flat.
- 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 life expectancy, adjusted gender parity index. Statizoid updates them automatically from the source API.
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About this data
An adjusted gender parity index of 1 indicates equality in the expected number of years a child of school entrance age is likely to spend in primary school between boys and girls. Values below 1 favor boys, and above 1 favor girls.