Nigeria vs Tanzania: Free and Fair Elections Index
Nigeria
0.355
in 2025
Tanzania
0.364
in 2025
Nigeria rank
107th
Tanzania rank
106th
Free and Fair Elections Index over time
- Nigeria
- Tanzania
How they compare
Tanzania currently reports 0.364 against 0.355 in Nigeria, a difference of 0.009.
The two have swapped places 4 times across 112 shared years of data; in 1914 it was Tanzania ahead.
Nigeria ranks 107th and Tanzania ranks 106th of 176 countries.
Tanzania has averaged higher in every one of the 12 decades both report.
Head to head by decade
| Decade | Nigeria | Tanzania | Difference | Ahead |
|---|---|---|---|---|
| 1910s | 0 | 0 | 0 | — |
| 1920s | 0 | 0 | 0 | — |
| 1930s | 0 | 0 | 0 | — |
| 1940s | 0 | 0 | 0 | — |
| 1950s | 0.0009 | 0.0596 | 0.0587 | Tanzania |
| 1960s | 0.1278 | 0.5111 | 0.3833 | Tanzania |
| 1970s | 0.0082 | 0.4694 | 0.4612 | Tanzania |
| 1980s | 0.0532 | 0.4652 | 0.412 | Tanzania |
| 1990s | 0.0507 | 0.5148 | 0.4641 | Tanzania |
| 2000s | 0.2194 | 0.4177 | 0.1983 | Tanzania |
| 2010s | 0.3765 | 0.4632 | 0.0867 | Tanzania |
| 2020s | 0.3607 | 0.3607 | 0 | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher free and fair elections index, Nigeria or Tanzania?
- Tanzania, at 0.364 against 0.355 in Nigeria as of 2025.
- What is the difference in free and fair elections index between Nigeria and Tanzania?
- 0.009, with Tanzania ahead.
- How many years of comparable data are there for Nigeria and Tanzania?
- 112 years are reported by both, from 1914 to 2025.
- How do Nigeria and Tanzania rank globally for free and fair elections index?
- Nigeria ranks 107th and Tanzania ranks 106th of 176 countries.
- Where does this data come from?
- V-Dem (2026) – processed by Our World in Data, published as Free and Fair Elections Index. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Central estimate of the extent to which registration fraud, systematic irregularities, government intimidation of the opposition, vote buying, and election violence are absent, and the election management body is autonomous and has enough staff and resources.