Afghanistan vs Brazil: Number of one-year-olds who are not vaccinated against polio
Afghanistan
556,070 one-year-olds
in 2023
Brazil
392,271 one-year-olds
in 2023
Afghanistan rank
10th
Brazil rank
13th
Number of one-year-olds who are not vaccinated against polio over time
- Afghanistan
- Brazil
How they compare
Afghanistan currently reports 556,070 one-year-olds against 392,271 one-year-olds in Brazil, a difference of 163,799 one-year-olds.
That makes Afghanistan's figure about 1.4 times Brazil's.
The two have swapped places 5 times across 43 shared years of data; in 1981 it was Brazil ahead.
Afghanistan ranks 10th and Brazil ranks 13th of 194 countries.
Across the 5 decades both report, Afghanistan averaged higher in 2 and Brazil in 3.
Head to head by decade
| Decade | Afghanistan | Brazil | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 381,907 one-year-olds | 1.76 million one-year-olds | 1.38 million one-year-olds | Brazil |
| 1990s | 536,880 one-year-olds | 813,970 one-year-olds | 277,090 one-year-olds | Brazil |
| 2000s | 481,956 one-year-olds | 31,880 one-year-olds | 450,076 one-year-olds | Afghanistan |
| 2010s | 412,311 one-year-olds | 262,079 one-year-olds | 150,232 one-year-olds | Afghanistan |
| 2020s | 553,341 one-year-olds | 663,949 one-year-olds | 110,608 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 polio, Afghanistan or Brazil?
- Afghanistan, at 556,070 one-year-olds against 392,271 one-year-olds in Brazil as of 2023.
- What is the difference in number of one-year-olds who are not vaccinated against polio between Afghanistan and Brazil?
- 163,799 one-year-olds, with Afghanistan ahead.
- How many years of comparable data are there for Afghanistan and Brazil?
- 43 years are reported by both, from 1981 to 2023.
- How do Afghanistan and Brazil rank globally for number of one-year-olds who are not vaccinated against polio?
- Afghanistan ranks 10th and Brazil ranks 13th 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 polio. 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 third dose of either the oral or inactivated polio vaccine in a given year.