Nigeria vs Sierra Leone: Share of adult citizens who have the right to vote
Nigeria
100.0%
in 2025
Sierra Leone
100.0%
in 2025
Nigeria rank
1st
Sierra Leone rank
1st
Share of adult citizens who have the right to vote over time
- Nigeria
- Sierra Leone
How they compare
Nigeria currently reports 100.0% against 100.0% in Sierra Leone, a difference of 0.0%.
The two have swapped places 4 times across 112 shared years of data; in 1914 it was Sierra Leone ahead.
Nigeria ranks 1st and Sierra Leone ranks 1st of 176 countries.
Across the 12 decades both report, Nigeria averaged higher in 3 and Sierra Leone in 2.
Head to head by decade
| Decade | Nigeria | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1910s | 0.0% | 0.0% | 0.0% | — |
| 1920s | 3.5% | 2.5% | 1.0% | Nigeria |
| 1930s | 5.0% | 5.0% | 0.0% | — |
| 1940s | 5.6% | 5.0% | 0.6% | Nigeria |
| 1950s | 37.4% | 27.0% | 10.4% | Nigeria |
| 1960s | 75.0% | 100.0% | 25.0% | Sierra Leone |
| 1970s | 75.0% | 100.0% | 25.0% | Sierra Leone |
| 1980s | 100.0% | 100.0% | 0.0% | — |
| 1990s | 100.0% | 100.0% | 0.0% | — |
| 2000s | 100.0% | 100.0% | 0.0% | — |
| 2010s | 100.0% | 100.0% | 0.0% | — |
| 2020s | 100.0% | 100.0% | 0.0% | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of adult citizens who have the right to vote, Nigeria or Sierra Leone?
- Nigeria, at 100.0% against 100.0% in Sierra Leone as of 2025.
- What is the difference in share of adult citizens who have the right to vote between Nigeria and Sierra Leone?
- 0.0%, with Nigeria ahead.
- How many years of comparable data are there for Nigeria and Sierra Leone?
- 112 years are reported by both, from 1914 to 2025.
- How do Nigeria and Sierra Leone rank globally for share of adult citizens who have the right to vote?
- Nigeria ranks 1st and Sierra Leone ranks 1st of 176 countries.
- Where does this data come from?
- V-Dem (2026) – processed by Our World in Data, published as Share of adult citizens who have the right to vote. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Share of adult citizens which have the legal right to vote in national elections.