Tonga vs Zambia: Lower secondary completion rate adjusted gender parity index
Tonga
1.11
in 2025
Zambia
1.1
in 2025
Tonga rank
37th
Zambia rank
40th
Lower secondary completion rate adjusted gender parity index over time
- Tonga
- Zambia
How they compare
Tonga currently reports 1.11 against 1.1 in Zambia, a difference of 0.01.
Across all 45 years both countries report, Tonga has been ahead every year.
Tonga ranks 37th and Zambia ranks 40th of 164 countries.
Tonga has averaged higher in every one of the 5 decades both report.
Head to head by decade
| Decade | Tonga | Zambia | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 1.05 | 0.6212 | 0.4257 | Tonga |
| 1990s | 1.08 | 0.7485 | 0.3361 | Tonga |
| 2000s | 1.11 | 0.8617 | 0.2502 | Tonga |
| 2010s | 1.12 | 0.9932 | 0.1254 | Tonga |
| 2020s | 1.11 | 1.08 | 0.031 | Tonga |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher lower secondary completion rate adjusted gender parity index, Tonga or Zambia?
- Tonga, at 1.11 against 1.1 in Zambia as of 2025.
- What is the difference in lower secondary completion rate adjusted gender parity index between Tonga and Zambia?
- 0.01, with Tonga ahead.
- How many years of comparable data are there for Tonga and Zambia?
- 45 years are reported by both, from 1981 to 2025.
- How do Tonga and Zambia rank globally for lower secondary completion rate adjusted gender parity index?
- Tonga ranks 37th and Zambia ranks 40th of 164 countries.
- Where does this data come from?
- Our World in Data, published as Lower secondary completion rate adjusted gender parity index. Statizoid refreshes it automatically from the source and publishes the full history for both places.