Brazil vs South Africa: Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus
Brazil
261,514 one-year-olds
in 2023
South Africa
251,724 one-year-olds
in 2023
Brazil rank
17th
South Africa rank
19th
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus over time
- Brazil
- South Africa
How they compare
Brazil currently reports 261,514 one-year-olds against 251,724 one-year-olds in South Africa, a difference of 9,790 one-year-olds.
The two have swapped places 4 times across 41 shared years of data; in 1983 it was Brazil ahead.
Brazil ranks 17th and South Africa ranks 19th of 194 countries.
Across the 5 decades both report, Brazil averaged higher in 4 and South Africa in 1.
Head to head by decade
| Decade | Brazil | South Africa | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 1.45 million one-year-olds | 308,025 one-year-olds | 1.14 million one-year-olds | Brazil |
| 1990s | 736,518 one-year-olds | 265,731 one-year-olds | 470,787 one-year-olds | Brazil |
| 2000s | 38,709 one-year-olds | 232,420 one-year-olds | 193,711 one-year-olds | South Africa |
| 2010s | 263,994 one-year-olds | 215,405 one-year-olds | 48,589 one-year-olds | Brazil |
| 2020s | 596,946 one-year-olds | 195,522 one-year-olds | 401,424 one-year-olds | Brazil |
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 diphtheria, pertussis and tetanus, Brazil or South Africa?
- Brazil, at 261,514 one-year-olds against 251,724 one-year-olds in South Africa as of 2023.
- What is the difference in number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus between Brazil and South Africa?
- 9,790 one-year-olds, with Brazil ahead.
- How many years of comparable data are there for Brazil and South Africa?
- 41 years are reported by both, from 1983 to 2023.
- How do Brazil and South Africa rank globally for number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus?
- Brazil ranks 17th and South Africa ranks 19th 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 are not vaccinated against diphtheria, pertussis and tetanus. 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 combined diphtheria, tetanus and pertussis vaccine in a given year.