Sao Tome and Principe vs Sierra Leone: School life expectancy, secondary, adjusted gender parity index

Sao Tome and Principe
1.1 GPIA
in 2017
Sierra Leone
1.1 GPIA
in 2023
Sao Tome and Principe rank
29th
Sierra Leone rank
30th

School life expectancy, secondary, adjusted gender parity index over time

  • Sao Tome and Principe
  • Sierra Leone
0.40.60.811.2197119972023

How they compare

Sao Tome and Principe currently reports 1.1 GPIA against 1.1 GPIA in Sierra Leone, a difference of 0 GPIA.

Across all 11 years both countries report, Sao Tome and Principe has been ahead every year.

Sao Tome and Principe ranks 29th and Sierra Leone ranks 30th of 213 countries.

Sao Tome and Principe has averaged higher in every one of the 4 decades both report.

Head to head by decade

Decade Sao Tome and Principe Sierra Leone Difference Ahead
1970s 0.8952 GPIA 0.4129 GPIA 0.4823 GPIA Sao Tome and Principe
1980s 0.8902 GPIA 0.5151 GPIA 0.3751 GPIA Sao Tome and Principe
2000s 1.08 GPIA 0.6947 GPIA 0.3858 GPIA Sao Tome and Principe
2010s 1.1 GPIA 0.8818 GPIA 0.217 GPIA Sao Tome and Principe

Averages of every year both report within each decade.

Frequently asked questions

Which has higher school life expectancy, secondary, adjusted gender parity index, Sao Tome and Principe or Sierra Leone?
Sao Tome and Principe, at 1.1 GPIA against 1.1 GPIA in Sierra Leone as of 2017.
What is the difference in school life expectancy, secondary, adjusted gender parity index between Sao Tome and Principe and Sierra Leone?
0 GPIA, with Sao Tome and Principe ahead.
How many years of comparable data are there for Sao Tome and Principe and Sierra Leone?
11 years are reported by both, from 1971 to 2017.
How do Sao Tome and Principe and Sierra Leone rank globally for school life expectancy, secondary, adjusted gender parity index?
Sao Tome and Principe ranks 29th and Sierra Leone ranks 30th of 213 countries.
Where does this data come from?
UNESCO Institute for Statistics, published as School life expectancy, secondary, adjusted gender parity index (GPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sao Tome and Principe vs Sierra Leone: School life expectancy, secondary, adjusted gender parity index. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 10 September 2026, from https://education.statizoid.com/compare/school-life-expectancy-secondary-adjusted-gender-parity-index-gpia/sao-tome-and-principe/sierra-leone/

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About this data

Indicator
School life expectancy, secondary, adjusted gender parity index (GPIA)
Unit
GPIA
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
434 places, 15,669 data points, 1970–2025
Last refreshed

February 2026 Data Release