Iran, Islamic Republic of vs Sao Tome and Principe: Gross enrolment ratio, primary and secondary, adjusted gender parity

Iran, Islamic Republic of
1.01 GPIA
in 2023
Sao Tome and Principe
1.01 GPIA
in 2017
Iran, Islamic Republic of rank
82nd
Sao Tome and Principe rank
81st

Gross enrolment ratio, primary and secondary, adjusted gender parity over time

  • Iran, Islamic Republic of
  • Sao Tome and Principe
00.250.50.751197119972023

How they compare

Sao Tome and Principe currently reports 1.01 GPIA against 1.01 GPIA in Iran, Islamic Republic of, a difference of 0 GPIA.

The two have swapped places 3 times across 18 shared years of data; in 1971 it was Sao Tome and Principe ahead.

Iran, Islamic Republic of ranks 82nd and Sao Tome and Principe ranks 81st of 206 countries.

Across the 4 decades both report, Iran, Islamic Republic of averaged higher in 1 and Sao Tome and Principe in 3.

Head to head by decade

Decade Iran, Islamic Republic of Sao Tome and Principe Difference Ahead
1970s 0.5997 GPIA 0.9775 GPIA 0.3778 GPIA Sao Tome and Principe
1980s 0.7841 GPIA 0.925 GPIA 0.1408 GPIA Sao Tome and Principe
2000s 0.9762 GPIA 1.01 GPIA 0.0325 GPIA Sao Tome and Principe
2010s 1 GPIA 0.9985 GPIA 0.0051 GPIA Iran, Islamic Republic of

Averages of every year both report within each decade.

Frequently asked questions

Which has higher gross enrolment ratio, primary and secondary, adjusted gender parity, Iran, Islamic Republic of or Sao Tome and Principe?
Sao Tome and Principe, at 1.01 GPIA against 1.01 GPIA in Iran, Islamic Republic of as of 2017.
What is the difference in gross enrolment ratio, primary and secondary, adjusted gender parity between Iran, Islamic Republic of and Sao Tome and Principe?
0 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?
18 years are reported by both, from 1971 to 2017.
How do Iran, Islamic Republic of and Sao Tome and Principe rank globally for gross enrolment ratio, primary and secondary, adjusted gender parity?
Iran, Islamic Republic of ranks 82nd and Sao Tome and Principe ranks 81st of 206 countries.
Where does this data come from?
UNESCO Institute for Statistics, published as Gross enrolment ratio, primary and 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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Iran, Islamic Republic of vs Sao Tome and Principe: Gross enrolment ratio, primary and secondary, adjusted gender parity. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 15 September 2026, from https://education.statizoid.com/compare/gross-enrolment-ratio-primary-and-secondary-adjusted-gender-parity-index-gpia/iran-islamic-rep/sao-tome-and-principe/

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About this data

Indicator
Gross enrolment ratio, primary and 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
427 places, 15,550 data points, 1970–2025
Last refreshed

February 2026 Data Release