Nauru vs Tonga: Completion rate, upper secondary education … modelled data gender
Nauru
1.14 modelled data
in 2025
Tonga
1.14 modelled data
in 2025
Nauru rank
46th
Tonga rank
45th
Completion rate, upper secondary education … modelled data gender over time
- Nauru
- Tonga
How they compare
Tonga currently reports 1.14 modelled data against 1.14 modelled data in Nauru, a difference of 0 modelled data.
Across all 45 years both countries report, Tonga has been ahead every year.
Nauru ranks 46th and Tonga ranks 45th of 164 countries.
Tonga has averaged higher in every one of the 5 decades both report.
Head to head by decade
| Decade | Nauru | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 0.9069 modelled data | 1.04 modelled data | 0.1336 modelled data | Tonga |
| 1990s | 0.9812 modelled data | 1.1 modelled data | 0.1168 modelled data | Tonga |
| 2000s | 1.06 modelled data | 1.13 modelled data | 0.0679 modelled data | Tonga |
| 2010s | 1.1 modelled data | 1.14 modelled data | 0.042 modelled data | Tonga |
| 2020s | 1.13 modelled data | 1.15 modelled data | 0.015 modelled data | Tonga |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher completion rate, upper secondary education, adjusted gender parity, Nauru or Tonga?
- Tonga, at 1.14 modelled data against 1.14 modelled data in Nauru as of 2025.
- What is the difference in completion rate, upper secondary education, adjusted gender parity between Nauru and Tonga?
- 0 modelled data, with Tonga ahead.
- How many years of comparable data are there for Nauru and Tonga?
- 45 years are reported by both, from 1981 to 2025.
- How do Nauru and Tonga rank globally for completion rate, upper secondary education, adjusted gender parity?
- Nauru ranks 46th and Tonga ranks 45th of 164 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Completion rate, upper secondary education, adjusted gender parity index (GPIA) (modelled data). Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
February 2026 Data Release