Chad vs United States: Number of one-year-olds who are not vaccinated against measles
Chad
271,735 one-year-olds
in 2023
United States
297,421 one-year-olds
in 2023
Chad rank
21st
United States rank
18th
Number of one-year-olds who are not vaccinated against measles over time
- Chad
- United States
How they compare
United States currently reports 297,421 one-year-olds against 271,735 one-year-olds in Chad, a difference of 25,686 one-year-olds.
That makes United States's figure about 1.1 times Chad's.
The two have swapped places 9 times across 40 shared years of data; in 1984 it was Chad ahead.
Chad ranks 21st and United States ranks 18th of 194 countries.
Across the 5 decades both report, Chad averaged higher in 1 and United States in 4.
Head to head by decade
| Decade | Chad | United States | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 182,965 one-year-olds | 213,882 one-year-olds | 30,917 one-year-olds | United States |
| 1990s | 226,246 one-year-olds | 445,305 one-year-olds | 219,059 one-year-olds | United States |
| 2000s | 309,803 one-year-olds | 331,723 one-year-olds | 21,920 one-year-olds | United States |
| 2010s | 317,254 one-year-olds | 333,400 one-year-olds | 16,146 one-year-olds | United States |
| 2020s | 322,962 one-year-olds | 306,833 one-year-olds | 16,129 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 measles, Chad or United States?
- United States, at 297,421 one-year-olds against 271,735 one-year-olds in Chad as of 2023.
- What is the difference in number of one-year-olds who are not vaccinated against measles between Chad and United States?
- 25,686 one-year-olds, with United States ahead.
- How many years of comparable data are there for Chad and United States?
- 40 years are reported by both, from 1984 to 2023.
- How do Chad and United States rank globally for number of one-year-olds who are not vaccinated against measles?
- Chad ranks 21st and United States ranks 18th 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 measles. 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 measles vaccine in a given year.