Tonga vs WB: Other Small States: School life expectancy, primary and secondary, adjusted gender parity

Tonga
1.06 GPIA
in 2024
WB: Other Small States
1.02 GPIA
in 2022
Tonga rank
21st
WB: Other Small States rank
18th

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

  • Tonga
  • WB: Other Small States
00.250.50.7511.2197019972024

How they compare

Tonga currently reports 1.06 GPIA against 1.02 GPIA in WB: Other Small States, a difference of 0.04 GPIA.

The two have swapped places 7 times across 34 shared years of data; in 1970 it was WB: Other Small States ahead.

Tonga ranks 21st and WB: Other Small States ranks 18th of 208 countries.

Across the 6 decades both report, Tonga averaged higher in 5 and WB: Other Small States in 1.

Head to head by decade

Decade Tonga WB: Other Small States Difference Ahead
1970s 0.967 GPIA 0.9876 GPIA 0.0206 GPIA WB: Other Small States
1980s 1 GPIA 0.9734 GPIA 0.0286 GPIA Tonga
1990s 0.9992 GPIA 0.9677 GPIA 0.0315 GPIA Tonga
2000s 1.01 GPIA 0.966 GPIA 0.0454 GPIA Tonga
2010s 1.04 GPIA 0.9909 GPIA 0.053 GPIA Tonga
2020s 1.04 GPIA 1.02 GPIA 0.0188 GPIA Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher school life expectancy, primary and secondary, adjusted gender parity, Tonga or WB: Other Small States?
Tonga, at 1.06 GPIA against 1.02 GPIA in WB: Other Small States as of 2024.
What is the difference in school life expectancy, primary and secondary, adjusted gender parity between Tonga and WB: Other Small States?
0.04 GPIA, with Tonga ahead.
How many years of comparable data are there for Tonga and WB: Other Small States?
34 years are reported by both, from 1970 to 2022.
How do Tonga and WB: Other Small States rank globally for school life expectancy, primary and secondary, adjusted gender parity?
Tonga ranks 21st and WB: Other Small States ranks 18th of 208 countries.
Where does this data come from?
UNESCO Institute for Statistics, published as School life expectancy, 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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Tonga vs WB: Other Small States: School life expectancy, primary and secondary, adjusted gender parity. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 06 September 2026, from https://education.statizoid.com/compare/school-life-expectancy-primary-and-secondary-adjusted-gender-parity-index-gpia/tonga/wb-other-small-states/

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About this data

Indicator
School life expectancy, 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
429 places, 15,510 data points, 1970–2025
Last refreshed

February 2026 Data Release