Chad vs Nigeria: Share of one-year-olds who are vaccinated against polio
Chad
67.0%
in 2024
Nigeria
69.0%
in 2024
Chad rank
173rd
Nigeria rank
171st
Share of one-year-olds who are vaccinated against polio over time
- Chad
- Nigeria
How they compare
Nigeria currently reports 69.0% against 67.0% in Chad, a difference of 2.0%.
The two have swapped places 8 times across 41 shared years of data; in 1984 it was Nigeria ahead.
Chad ranks 173rd and Nigeria ranks 171st of 194 countries.
Nigeria has averaged higher in every one of the 5 decades both report.
Head to head by decade
| Decade | Chad | Nigeria | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 10.3% | 26.0% | 15.7% | Nigeria |
| 1990s | 20.3% | 33.9% | 13.6% | Nigeria |
| 2000s | 34.0% | 46.3% | 12.3% | Nigeria |
| 2010s | 45.5% | 50.4% | 4.9% | Nigeria |
| 2020s | 60.0% | 63.0% | 3.0% | Nigeria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of one-year-olds who are vaccinated against polio, Chad or Nigeria?
- Nigeria, at 69.0% against 67.0% in Chad as of 2024.
- What is the difference in share of one-year-olds who are vaccinated against polio between Chad and Nigeria?
- 2.0%, with Nigeria ahead.
- How many years of comparable data are there for Chad and Nigeria?
- 41 years are reported by both, from 1984 to 2024.
- How do Chad and Nigeria rank globally for share of one-year-olds who are vaccinated against polio?
- Chad ranks 173rd and Nigeria ranks 171st of 194 countries.
- Where does this data come from?
- WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as Share of one-year-olds who are vaccinated against polio. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Share of one-year-olds who have had the third dose of either the oral or inactivated polio vaccine in a given year.