Chad vs South Africa: Number of one-year-olds who are not vaccinated against hepatitis B
Chad
242,358 one-year-olds
in 2023
South Africa
251,724 one-year-olds
in 2023
Chad rank
21st
South Africa rank
20th
Number of one-year-olds who are not vaccinated against hepatitis B over time
- Chad
- South Africa
How they compare
South Africa currently reports 251,724 one-year-olds against 242,358 one-year-olds in Chad, a difference of 9,366 one-year-olds.
The two have swapped places 5 times across 16 shared years of data; in 2008 it was Chad ahead.
Chad ranks 21st and South Africa ranks 20th of 189 countries.
Chad has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Chad | South Africa | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 394,151 one-year-olds | 281,197 one-year-olds | 112,954 one-year-olds | Chad |
| 2010s | 345,450 one-year-olds | 231,373 one-year-olds | 114,076 one-year-olds | Chad |
| 2020s | 262,024 one-year-olds | 195,522 one-year-olds | 66,502 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 are not vaccinated against hepatitis b, Chad or South Africa?
- South Africa, at 251,724 one-year-olds against 242,358 one-year-olds in Chad as of 2023.
- What is the difference in number of one-year-olds who are not vaccinated against hepatitis b between Chad and South Africa?
- 9,366 one-year-olds, with South Africa ahead.
- How many years of comparable data are there for Chad and South Africa?
- 16 years are reported by both, from 2008 to 2023.
- How do Chad and South Africa rank globally for number of one-year-olds who are not vaccinated against hepatitis b?
- Chad ranks 21st and South Africa ranks 20th of 189 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 are not vaccinated against hepatitis B. 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 three doses of the hepatitis B vaccine in a given year.