Chad vs Democratic Republic of Congo: Reported paralytic polio cases per million
Chad
3.01 cases per million
in 2023
Democratic Republic of Congo
2.18 cases per million
in 2023
Chad rank
2nd
Democratic Republic of Congo rank
4th
Reported paralytic polio cases per million over time
- Chad
- Democratic Republic of Congo
How they compare
Chad currently reports 3.01 cases per million against 2.18 cases per million in Democratic Republic of Congo, a difference of 0.83 cases per million.
That makes Chad's figure about 1.4 times Democratic Republic of Congo's.
The two have swapped places 11 times across 34 shared years of data; in 1983 it was Democratic Republic of Congo ahead.
Chad ranks 2nd and Democratic Republic of Congo ranks 4th of 199 countries.
Across the 5 decades both report, Chad averaged higher in 4 and Democratic Republic of Congo in 1.
Head to head by decade
| Decade | Chad | Democratic Republic of Congo | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 4.4 cases per million | 4.64 cases per million | 0.2395 cases per million | Democratic Republic of Congo |
| 1990s | 16.47 cases per million | 4.55 cases per million | 11.92 cases per million | Chad |
| 2000s | 2.37 cases per million | 1.37 cases per million | 1 cases per million | Chad |
| 2010s | 1.52 cases per million | 0.5001 cases per million | 1.02 cases per million | Chad |
| 2020s | 2.89 cases per million | 2.15 cases per million | 0.7381 cases per million | Chad |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher reported paralytic polio cases per million, Chad or Democratic Republic of Congo?
- Chad, at 3.01 cases per million against 2.18 cases per million in Democratic Republic of Congo as of 2023.
- What is the difference in reported paralytic polio cases per million between Chad and Democratic Republic of Congo?
- 0.83 cases per million, with Chad ahead.
- How many years of comparable data are there for Chad and Democratic Republic of Congo?
- 34 years are reported by both, from 1983 to 2023.
- How do Chad and Democratic Republic of Congo rank globally for reported paralytic polio cases per million?
- Chad ranks 2nd and Democratic Republic of Congo ranks 4th of 199 countries.
- Where does this data come from?
- World Health Organization (2019); World Health Organization (2024); Population based on various sources (2023) – with major processing by Our World in Data, published as Reported paralytic polio cases per million. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Sum of wild poliovirus cases and circulating vaccine derived poliovirus cases per million people.