South Africa vs Tonga: School life expectancy, post-secondary non-tertiary, adjusted gender
South Africa
1.5 GPIA
in 2023
Tonga
1.52 GPIA
in 2023
South Africa rank
18th
Tonga rank
16th
School life expectancy, post-secondary non-tertiary, adjusted gender over time
- South Africa
- Tonga
How they compare
Tonga currently reports 1.52 GPIA against 1.5 GPIA in South Africa, a difference of 0.02 GPIA.
The two have swapped places 2 times across 14 shared years of data; in 1999 it was Tonga ahead.
South Africa ranks 18th and Tonga ranks 16th of 123 countries.
Across the 4 decades both report, South Africa averaged higher in 2 and Tonga in 2.
Head to head by decade
| Decade | South Africa | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 0.6991 GPIA | 1.59 GPIA | 0.8863 GPIA | Tonga |
| 2000s | 0.7787 GPIA | 1.27 GPIA | 0.4887 GPIA | Tonga |
| 2010s | 1.4 GPIA | 1.12 GPIA | 0.2805 GPIA | South Africa |
| 2020s | 1.49 GPIA | 1.23 GPIA | 0.2641 GPIA | South Africa |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher school life expectancy, post-secondary non-tertiary, adjusted gender, South Africa or Tonga?
- Tonga, at 1.52 GPIA against 1.5 GPIA in South Africa as of 2023.
- What is the difference in school life expectancy, post-secondary non-tertiary, adjusted gender between South Africa and Tonga?
- 0.02 GPIA, with Tonga ahead.
- How many years of comparable data are there for South Africa and Tonga?
- 14 years are reported by both, from 1999 to 2023.
- How do South Africa and Tonga rank globally for school life expectancy, post-secondary non-tertiary, adjusted gender?
- South Africa ranks 18th 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