Dominica vs Tonga: School life expectancy, post-secondary non-tertiary, adjusted gender
Dominica
1.5 GPIA
in 2023
Tonga
1.52 GPIA
in 2023
Dominica rank
17th
Tonga rank
16th
School life expectancy, post-secondary non-tertiary, adjusted gender over time
- Dominica
- Tonga
How they compare
Tonga currently reports 1.52 GPIA against 1.5 GPIA in Dominica, a difference of 0.02 GPIA.
The two have swapped places 4 times across 11 shared years of data; in 1999 it was Tonga ahead.
Dominica ranks 17th and Tonga ranks 16th of 123 countries.
Across the 3 decades both report, Dominica averaged higher in 2 and Tonga in 1.
Head to head by decade
| Decade | Dominica | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 1.37 GPIA | 1.59 GPIA | 0.214 GPIA | Tonga |
| 2000s | 1.39 GPIA | 1.27 GPIA | 0.1165 GPIA | Dominica |
| 2020s | 1.49 GPIA | 1.2 GPIA | 0.2964 GPIA | Dominica |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher school life expectancy, post-secondary non-tertiary, adjusted gender, Dominica or Tonga?
- Tonga, at 1.52 GPIA against 1.5 GPIA in Dominica as of 2023.
- What is the difference in school life expectancy, post-secondary non-tertiary, adjusted gender between Dominica and Tonga?
- 0.02 GPIA, with Tonga ahead.
- How many years of comparable data are there for Dominica and Tonga?
- 11 years are reported by both, from 1999 to 2023.
- How do Dominica and Tonga rank globally for school life expectancy, post-secondary non-tertiary, adjusted gender?
- Dominica ranks 17th and Tonga ranks 16th of 123 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as School life expectancy, post-secondary non-tertiary, 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