Middle income vs Sao Tome and Principe: School life expectancy, primary and secondary, gender parity index

Middle income
0.9945 GPI
in 2019
Sao Tome and Principe
1.05 GPI
in 2017
Middle income rank
19th
Sao Tome and Principe rank
19th

School life expectancy, primary and secondary, gender parity index over time

  • Middle income
  • Sao Tome and Principe
00.250.50.751197019942019

How they compare

Sao Tome and Principe currently reports 1.05 GPI against 0.9945 GPI in Middle income, a difference of 0.0555 GPI.

That makes Sao Tome and Principe's figure about 1.1 times Middle income's.

Across all 18 years both countries report, Sao Tome and Principe has been ahead every year.

Middle income ranks 19th and Sao Tome and Principe ranks 19th of 45 groups.

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

Head to head by decade

Decade Middle income Sao Tome and Principe Difference Ahead
1970s 0.7672 GPI 0.8927 GPI 0.1255 GPI Sao Tome and Principe
1980s 0.834 GPI 0.9363 GPI 0.1023 GPI Sao Tome and Principe
2000s 0.9597 GPI 0.9948 GPI 0.0351 GPI Sao Tome and Principe
2010s 0.997 GPI 1.02 GPI 0.024 GPI Sao Tome and Principe

Averages of every year both report within each decade.

Frequently asked questions

Which has higher school life expectancy, primary and secondary, gender parity index, Middle income or Sao Tome and Principe?
Sao Tome and Principe, at 1.05 GPI against 0.9945 GPI in Middle income as of 2017.
What is the difference in school life expectancy, primary and secondary, gender parity index between Middle income and Sao Tome and Principe?
0.0555 GPI, with Sao Tome and Principe ahead.
How many years of comparable data are there for Middle income and Sao Tome and Principe?
18 years are reported by both, from 1971 to 2017.
How do Middle income and Sao Tome and Principe rank globally for school life expectancy, primary and secondary, gender parity index?
Middle income ranks 19th and Sao Tome and Principe ranks 19th of 45 groups.
Where does this data come from?
UNESCO Institute for Statistics, published as School life expectancy, primary and secondary, gender parity index (GPI). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Middle income vs Sao Tome and Principe: School life expectancy, primary and secondary, gender parity index. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 12 September 2026, from https://education.statizoid.com/compare/school-life-expectancy-primary-and-secondary-gender-parity-index-gpi/middle-income/sao-tome-and-principe/

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About this data

Indicator
School life expectancy, primary and secondary, gender parity index (GPI)
Unit
GPI
Source
UNESCO Institute for Statistics
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
238 places, 7,783 data points, 1970–2020
Last refreshed

Ratio of female school life expectancy to the male school life expectancy. It is calculated by dividing the female value for the indicator by the male value for the indicator. A GPI equal to 1 indicates parity between females and males. In general, a value less than 1 indicates disparity in favor of males and a value greater than 1 indicates disparity in favor of females.