Chad vs Nigeria: Paralytic polio: estimated cases by world region
Chad
61.05 cases
in 2023
Nigeria
96.57 cases
in 2023
Chad rank
3rd
Nigeria rank
2nd
Paralytic polio: estimated cases by world region over time
- Chad
- Nigeria
How they compare
Nigeria currently reports 96.57 cases against 61.05 cases in Chad, a difference of 35.52 cases.
That makes Nigeria's figure about 1.6 times Chad's.
The two have swapped places 4 times across 34 shared years of data; in 1983 it was Nigeria ahead.
Chad ranks 3rd and Nigeria ranks 2nd of 199 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 | 152.25 cases | 4,251 cases | 4,098 cases | Nigeria |
| 1990s | 845.83 cases | 4,152 cases | 3,306 cases | Nigeria |
| 2000s | 65.79 cases | 1,021 cases | 955.23 cases | Nigeria |
| 2010s | 21.09 cases | 47.06 cases | 25.97 cases | Nigeria |
| 2020s | 77.97 cases | 249.18 cases | 171.21 cases | Nigeria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher paralytic polio: estimated cases by world region, Chad or Nigeria?
- Nigeria, at 96.57 cases against 61.05 cases in Chad as of 2023.
- What is the difference in paralytic polio: estimated cases by world region between Chad and Nigeria?
- 35.52 cases, with Nigeria ahead.
- How many years of comparable data are there for Chad and Nigeria?
- 34 years are reported by both, from 1983 to 2023.
- How do Chad and Nigeria rank globally for paralytic polio: estimated cases by world region?
- Chad ranks 3rd and Nigeria ranks 2nd of 199 countries.
- Where does this data come from?
- World Health Organization (2019); World Health Organization (2024) – processed by Our World in Data, published as Paralytic polio: estimated cases by world region. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Total estimated number of polio cases.