Nigeria vs Tanzania: Completion rate, upper secondary education, adjusted gender parity
Nigeria
0.8457 modelled data
in 2025
Tanzania
0.7667 modelled data
in 2025
Nigeria rank
145th
Tanzania rank
147th
Completion rate, upper secondary education, adjusted gender parity over time
- Nigeria
- Tanzania
How they compare
Nigeria currently reports 0.8457 modelled data against 0.7667 modelled data in Tanzania, a difference of 0.079 modelled data.
That makes Nigeria's figure about 1.1 times Tanzania's.
Across all 45 years both countries report, Nigeria has been ahead every year.
Nigeria ranks 145th and Tanzania ranks 147th of 164 countries.
Nigeria has averaged higher in every one of the 5 decades both report.
Head to head by decade
| Decade | Nigeria | Tanzania | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 0.653 modelled data | 0.4199 modelled data | 0.2331 modelled data | Nigeria |
| 1990s | 0.7309 modelled data | 0.5144 modelled data | 0.2165 modelled data | Nigeria |
| 2000s | 0.7668 modelled data | 0.596 modelled data | 0.1707 modelled data | Nigeria |
| 2010s | 0.7985 modelled data | 0.6798 modelled data | 0.1187 modelled data | Nigeria |
| 2020s | 0.8318 modelled data | 0.7672 modelled data | 0.0647 modelled data | Nigeria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher completion rate, upper secondary education, adjusted gender parity, Nigeria or Tanzania?
- Nigeria, at 0.8457 modelled data against 0.7667 modelled data in Tanzania as of 2025.
- What is the difference in completion rate, upper secondary education, adjusted gender parity between Nigeria and Tanzania?
- 0.079 modelled data, with Nigeria ahead.
- How many years of comparable data are there for Nigeria and Tanzania?
- 45 years are reported by both, from 1981 to 2025.
- How do Nigeria and Tanzania rank globally for completion rate, upper secondary education, adjusted gender parity?
- Nigeria ranks 145th and Tanzania ranks 147th 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