Nigeria vs Zambia: Free country, gaps filled
Nigeria
1
in 2025
Zambia
1
in 2025
Nigeria rank
90th
Zambia rank
90th
Free country, gaps filled over time
- Nigeria
- Zambia
How they compare
Nigeria currently reports 1 against 1 in Zambia, a difference of 0.
The two have swapped places 2 times across 54 shared years of data; in 1972 it was Zambia ahead.
Nigeria ranks 90th and Zambia ranks 90th of 199 countries.
Across the 6 decades both report, Nigeria averaged higher in 2 and Zambia in 1.
Head to head by decade
| Decade | Nigeria | Zambia | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 1.12 | 1 | 0.125 | Nigeria |
| 1980s | 1.1 | 1 | 0.1 | Nigeria |
| 1990s | 0.5 | 1.2 | 0.7 | Zambia |
| 2000s | 1 | 1 | 0 | — |
| 2010s | 1 | 1 | 0 | — |
| 2020s | 1 | 1 | 0 | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher free country, gaps filled, Nigeria or Zambia?
- Nigeria, at 1 against 1 in Zambia as of 2025.
- What is the difference in free country, gaps filled between Nigeria and Zambia?
- 0, with Nigeria ahead.
- How many years of comparable data are there for Nigeria and Zambia?
- 54 years are reported by both, from 1972 to 2025.
- How do Nigeria and Zambia rank globally for free country, gaps filled?
- Nigeria ranks 90th and Zambia ranks 90th of 199 countries.
- Where does this data come from?
- Statizoid (derived), published as Free country, gaps filled. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Free country with 183 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.