Oman vs Tonga: Survival rate to Grade 4 of primary education, adjusted gender parity
Oman
0.993 GPIA
in 2023
Tonga
0.9926 GPIA
in 2019
Oman rank
145th
Tonga rank
146th
Survival rate to Grade 4 of primary education, adjusted gender parity over time
- Oman
- Tonga
How they compare
Oman currently reports 0.993 GPIA against 0.9926 GPIA in Tonga, a difference of 0.0004 GPIA.
The two have swapped places 3 times across 6 shared years of data; in 1977 it was Tonga ahead.
Oman ranks 145th and Tonga ranks 146th of 170 countries.
Across the 4 decades both report, Oman averaged higher in 2 and Tonga in 2.
Head to head by decade
| Decade | Oman | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 0.8621 GPIA | 1.02 GPIA | 0.1531 GPIA | Tonga |
| 1980s | 0.9619 GPIA | 0.9477 GPIA | 0.0141 GPIA | Oman |
| 2000s | 0.9962 GPIA | 1.02 GPIA | 0.0229 GPIA | Tonga |
| 2010s | 1 GPIA | 0.9926 GPIA | 0.0093 GPIA | Oman |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher survival rate to grade 4 of primary education, adjusted gender parity, Oman or Tonga?
- Oman, at 0.993 GPIA against 0.9926 GPIA in Tonga as of 2023.
- What is the difference in survival rate to grade 4 of primary education, adjusted gender parity between Oman and Tonga?
- 0.0004 GPIA, with Oman ahead.
- How many years of comparable data are there for Oman and Tonga?
- 6 years are reported by both, from 1977 to 2019.
- How do Oman and Tonga rank globally for survival rate to grade 4 of primary education, adjusted gender parity?
- Oman ranks 145th and Tonga ranks 146th of 170 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Survival rate to Grade 4 of primary education, 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