School life expectancy, tertiary, adjusted gender parity index in Tonga
Tonga: School life expectancy, tertiary, adjusted gender parity index was 1.64 GPIA in 2024. β² Rising
School life expectancy, tertiary, adjusted gender parity index in Tonga, 1978β2024
Source: UNESCO Institute for Statistics. Measured in GPIA.
Analysis
In 2024, school life expectancy, tertiary, adjusted gender parity index in Tonga stood at 1.64 GPIA. That is the highest value across all 11 years on record.
Compared with earlier readings it is up 10.8% on the previous year and up 22.5% over five years.
Over the whole period, school life expectancy, tertiary, adjusted gender parity index in Tonga peaked at 1.64 GPIA in 2024 and was at its lowest, 0.6735 GPIA, in 1979.
That places Tonga 5th out of 189 countries with data for 2024, putting it in the top 10%.
The long-run direction has been consistently rising across the 11 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 0.7555 GPIA | 0.6735 GPIA | 0.8375 GPIA | 2 |
| 1980s | 1.1 GPIA | 0.7847 GPIA | 1.25 GPIA | 3 |
| 1990s | 1.22 GPIA | 1.22 GPIA | 1.22 GPIA | 1 |
| 2000s | 1.4 GPIA | 1.4 GPIA | 1.4 GPIA | 2 |
| 2020s | 1.49 GPIA | 1.34 GPIA | 1.64 GPIA | 3 |
Countries ranked near Tonga
- 2 Cook Islands 1.72 GPIA compare
- 2 Sint Maarten (Dutch part) 1.73 GPIA compare
- 3 Qatar 1.69 GPIA compare
- 4 Maldives 1.64 GPIA compare
- 6 United States Virgin Islands 1.63 GPIA compare
- 7 Guyana 1.57 GPIA compare
- 8 Aruba 1.57 GPIA compare
More education data for Tonga
- Duration of pre primary education 2 (2025)
- Official entrance age to pre primary education 4 (2025)
- Population ages 15-64 58.2% (2025)
- Population ages 0-14 34.9% (2025)
- Lower secondary school starting age 12 years (2025)
- Primary school starting age 6 years (2025)
- School enrollment, primary 108.8% (2024)
- Primary education, teachers 818 (2024)
- Fertility rate vs mean years of schooling 3.1 (2024)
- School enrollment, primary, female 110.7% (2024)
Frequently asked questions
- What is school life expectancy, tertiary, adjusted gender parity index in Tonga?
- School life expectancy, tertiary, adjusted gender parity index in Tonga was 1.64 GPIA in 2024, according to UNESCO Institute for Statistics.
- What is the highest school life expectancy, tertiary, adjusted gender parity index recorded in Tonga?
- The highest recorded value was 1.64 GPIA in 2024.
- What is the lowest school life expectancy, tertiary, adjusted gender parity index recorded in Tonga?
- The lowest recorded value was 0.6735 GPIA in 1979.
- How does Tonga rank for school life expectancy, tertiary, adjusted gender parity index?
- Tonga ranks 5th out of 189 countries with data for 2024.
- Where does this Tonga data come from?
- The figures come from UNESCO Institute for Statistics, published as part of School life expectancy, tertiary, adjusted gender parity index (GPIA). Statizoid updates them automatically from the source API.
Download this data
CSV Β· JSON β 11 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release