Tonga vs WB: Other Small States: School life expectancy, tertiary, adjusted gender parity index

Tonga
1.64 GPIA
in 2024
WB: Other Small States
1.37 GPIA
in 2024
Tonga rank
7th
WB: Other Small States rank
5th

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

  • Tonga
  • WB: Other Small States
00.511.5197720002024

How they compare

Tonga currently reports 1.64 GPIA against 1.37 GPIA in WB: Other Small States, a difference of 0.27 GPIA.

That makes Tonga's figure about 1.2 times WB: Other Small States's.

The two have swapped places 1 time across 11 shared years of data; in 1978 it was WB: Other Small States ahead.

Tonga ranks 7th and WB: Other Small States ranks 5th of 191 countries.

Across the 5 decades both report, Tonga averaged higher in 3 and WB: Other Small States in 2.

Head to head by decade

Decade Tonga WB: Other Small States Difference Ahead
1970s 0.7555 GPIA 1.24 GPIA 0.4802 GPIA WB: Other Small States
1980s 1.1 GPIA 1.22 GPIA 0.1213 GPIA WB: Other Small States
1990s 1.22 GPIA 1.19 GPIA 0.0377 GPIA Tonga
2000s 1.4 GPIA 1.22 GPIA 0.1779 GPIA Tonga
2020s 1.49 GPIA 1.35 GPIA 0.1323 GPIA Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher school life expectancy, tertiary, adjusted gender parity index, Tonga or WB: Other Small States?
Tonga, at 1.64 GPIA against 1.37 GPIA in WB: Other Small States as of 2024.
What is the difference in school life expectancy, tertiary, adjusted gender parity index between Tonga and WB: Other Small States?
0.27 GPIA, with Tonga ahead.
How many years of comparable data are there for Tonga and WB: Other Small States?
11 years are reported by both, from 1978 to 2024.
How do Tonga and WB: Other Small States rank globally for school life expectancy, tertiary, adjusted gender parity index?
Tonga ranks 7th and WB: Other Small States ranks 5th 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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Tonga vs WB: Other Small States: School life expectancy, tertiary, adjusted gender parity index. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 31 August 2026, from https://education.statizoid.com/compare/school-life-expectancy-tertiary-adjusted-gender-parity-index-gpia/tonga/wb-other-small-states/

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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