Chad vs South Africa: Polio number unvaccinated
Chad
242,358
in 2023
South Africa
251,724
in 2023
Chad rank
22nd
South Africa rank
21st
Polio number unvaccinated over time
- Chad
- South Africa
How they compare
South Africa currently reports 251,724 against 242,358 in Chad, a difference of 9,366.
The two have swapped places 6 times across 40 shared years of data; in 1984 it was South Africa ahead.
Chad ranks 22nd and South Africa ranks 21st of 194 countries.
Across the 5 decades both report, Chad averaged higher in 3 and South Africa in 2.
Head to head by decade
| Decade | Chad | South Africa | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 194,822 | 299,498 | 104,677 | South Africa |
| 1990s | 240,422 | 270,599 | 30,177 | South Africa |
| 2000s | 283,597 | 264,523 | 19,074 | Chad |
| 2010s | 321,013 | 230,192 | 90,821 | Chad |
| 2020s | 291,546 | 195,522 | 96,024 | Chad |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher polio number unvaccinated, Chad or South Africa?
- South Africa, at 251,724 against 242,358 in Chad as of 2023.
- What is the difference in polio number unvaccinated between Chad and South Africa?
- 9,366, with South Africa ahead.
- How many years of comparable data are there for Chad and South Africa?
- 40 years are reported by both, from 1984 to 2023.
- How do Chad and South Africa rank globally for polio number unvaccinated?
- Chad ranks 22nd and South Africa ranks 21st of 194 countries.
- Where does this data come from?
- Our World in Data, published as Polio number unvaccinated. Statizoid refreshes it automatically from the source and publishes the full history for both places.