Chad vs South Africa: Number of one-year-olds who have not received the inactivated polio vaccine
Chad
242,358 one-year-olds
in 2023
South Africa
227,750 one-year-olds
in 2023
Chad rank
18th
South Africa rank
20th
Number of one-year-olds who have not received the inactivated polio vaccine over time
- Chad
- South Africa
How they compare
Chad currently reports 242,358 one-year-olds against 227,750 one-year-olds in South Africa, a difference of 14,608 one-year-olds.
That makes Chad's figure about 1.1 times South Africa's.
Across all 9 years both countries report, Chad has been ahead every year.
Chad ranks 18th and South Africa ranks 20th of 194 countries.
Chad has averaged higher in every one of the 2 decades both report.
Head to head by decade
| Decade | Chad | South Africa | Difference | Ahead |
|---|---|---|---|---|
| 2010s | 362,126 one-year-olds | 147,090 one-year-olds | 215,036 one-year-olds | Chad |
| 2020s | 261,976 one-year-olds | 172,001 one-year-olds | 89,975 one-year-olds | Chad |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher number of one-year-olds who have not received the inactivated polio vaccine, Chad or South Africa?
- Chad, at 242,358 one-year-olds against 227,750 one-year-olds in South Africa as of 2023.
- What is the difference in number of one-year-olds who have not received the inactivated polio vaccine between Chad and South Africa?
- 14,608 one-year-olds, with Chad ahead.
- How many years of comparable data are there for Chad and South Africa?
- 9 years are reported by both, from 2015 to 2023.
- How do Chad and South Africa rank globally for number of one-year-olds who have not received the inactivated polio vaccine?
- Chad ranks 18th and South Africa ranks 20th 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 Number of one-year-olds who have not received the inactivated polio vaccine. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Number of one-year-olds who have not had the first dose of the inactivated polio vaccine in a given year.