Samoa vs Tonga: School life expectancy, secondary, adjusted gender parity index
Samoa
1.08 GPIA
in 2016
Tonga
1.08 GPIA
in 2024
Samoa rank
43rd
Tonga rank
44th
School life expectancy, secondary, adjusted gender parity index over time
- Samoa
- Tonga
How they compare
Samoa currently reports 1.08 GPIA against 1.08 GPIA in Tonga, a difference of 0 GPIA.
The two have swapped places 3 times across 16 shared years of data; in 1970 it was Samoa ahead.
Samoa ranks 43rd and Tonga ranks 44th of 213 countries.
Samoa has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Samoa | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 1.1 GPIA | 0.9917 GPIA | 0.1103 GPIA | Samoa |
| 1990s | 1.09 GPIA | 1.07 GPIA | 0.0182 GPIA | Samoa |
| 2000s | 1.1 GPIA | 1.03 GPIA | 0.079 GPIA | Samoa |
| 2010s | 1.09 GPIA | 1.07 GPIA | 0.02 GPIA | Samoa |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher school life expectancy, secondary, adjusted gender parity index, Samoa or Tonga?
- Samoa, at 1.08 GPIA against 1.08 GPIA in Tonga as of 2016.
- What is the difference in school life expectancy, secondary, adjusted gender parity index between Samoa and Tonga?
- 0 GPIA, with Samoa ahead.
- How many years of comparable data are there for Samoa and Tonga?
- 16 years are reported by both, from 1970 to 2015.
- How do Samoa and Tonga rank globally for school life expectancy, secondary, adjusted gender parity index?
- Samoa ranks 43rd and Tonga ranks 44th of 213 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as School life expectancy, secondary, adjusted gender parity index (GPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
February 2026 Data Release