Iran, Islamic Republic of vs Sao Tome and Principe: School life expectancy, tertiary, adjusted gender parity index

Iran, Islamic Republic of
1.01 GPIA
in 2022
Sao Tome and Principe
1.03 GPIA
in 2015
Iran, Islamic Republic of rank
143rd
Sao Tome and Principe rank
140th

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

  • Iran, Islamic Republic of
  • Sao Tome and Principe
0.40.60.811.2197119962022

How they compare

Sao Tome and Principe currently reports 1.03 GPIA against 1.01 GPIA in Iran, Islamic Republic of, a difference of 0.02 GPIA.

The two have swapped places 1 time across 5 shared years of data; in 2009 it was Iran, Islamic Republic of ahead.

Iran, Islamic Republic of ranks 143rd and Sao Tome and Principe ranks 140th of 191 countries.

Iran, Islamic Republic of has averaged higher in every one of the 2 decades both report.

Head to head by decade

Decade Iran, Islamic Republic of Sao Tome and Principe Difference Ahead
2000s 1.08 GPIA 0.9267 GPIA 0.1522 GPIA Iran, Islamic Republic of
2010s 0.951 GPIA 0.9325 GPIA 0.0185 GPIA Iran, Islamic Republic of

Averages of every year both report within each decade.

Frequently asked questions

Which has higher school life expectancy, tertiary, adjusted gender parity index, Iran, Islamic Republic of or Sao Tome and Principe?
Sao Tome and Principe, at 1.03 GPIA against 1.01 GPIA in Iran, Islamic Republic of as of 2015.
What is the difference in school life expectancy, tertiary, adjusted gender parity index between Iran, Islamic Republic of and Sao Tome and Principe?
0.02 GPIA, with Sao Tome and Principe ahead.
How many years of comparable data are there for Iran, Islamic Republic of and Sao Tome and Principe?
5 years are reported by both, from 2009 to 2015.
How do Iran, Islamic Republic of and Sao Tome and Principe rank globally for school life expectancy, tertiary, adjusted gender parity index?
Iran, Islamic Republic of ranks 143rd and Sao Tome and Principe ranks 140th of 191 countries.
Where does this data come from?
UNESCO Institute for Statistics, published as School life expectancy, tertiary, adjusted gender parity index (GPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran, Islamic Republic of vs Sao Tome and Principe: School life expectancy, tertiary, adjusted gender parity index. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 11 September 2026, from https://education.statizoid.com/compare/school-life-expectancy-tertiary-adjusted-gender-parity-index-gpia/iran-islamic-rep/sao-tome-and-principe/

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About this data

Indicator
School life expectancy, tertiary, adjusted gender parity index (GPIA)
Unit
GPIA
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
412 places, 14,075 data points, 1970–2025
Last refreshed

February 2026 Data Release