Tonga vs WB: Upper Middle Income (july 2025): School life expectancy, primary, adjusted gender parity index
Tonga
1.04 GPIA
in 2024
WB: Upper Middle Income (july 2025)
1 GPIA
in 2024
Tonga rank
16th
WB: Upper Middle Income (july 2025) rank
13th
School life expectancy, primary, adjusted gender parity index over time
- Tonga
- WB: Upper Middle Income (july 2025)
How they compare
Tonga currently reports 1.04 GPIA against 1 GPIA in WB: Upper Middle Income (july 2025), a difference of 0.04 GPIA.
The two have swapped places 8 times across 46 shared years of data; in 1973 it was Tonga ahead.
Tonga ranks 16th and WB: Upper Middle Income (july 2025) ranks 13th of 215 countries.
Tonga has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Tonga | WB: Upper Middle Income (july 2025) | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 0.9616 GPIA | 0.8518 GPIA | 0.1098 GPIA | Tonga |
| 1980s | 0.9781 GPIA | 0.8811 GPIA | 0.097 GPIA | Tonga |
| 1990s | 0.9668 GPIA | 0.9549 GPIA | 0.0119 GPIA | Tonga |
| 2000s | 0.9921 GPIA | 0.9865 GPIA | 0.0056 GPIA | Tonga |
| 2010s | 1.01 GPIA | 0.993 GPIA | 0.0174 GPIA | Tonga |
| 2020s | 1.01 GPIA | 0.9997 GPIA | 0.0107 GPIA | Tonga |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher school life expectancy, primary, adjusted gender parity index, Tonga or WB: Upper Middle Income (july 2025)?
- Tonga, at 1.04 GPIA against 1 GPIA in WB: Upper Middle Income (july 2025) as of 2024.
- What is the difference in school life expectancy, primary, adjusted gender parity index between Tonga and WB: Upper Middle Income (july 2025)?
- 0.04 GPIA, with Tonga ahead.
- How many years of comparable data are there for Tonga and WB: Upper Middle Income (july 2025)?
- 46 years are reported by both, from 1973 to 2024.
- How do Tonga and WB: Upper Middle Income (july 2025) rank globally for school life expectancy, primary, adjusted gender parity index?
- Tonga ranks 16th and WB: Upper Middle Income (july 2025) ranks 13th of 215 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as School life expectancy, primary, 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