Chad vs Congo, Democratic Republic of the: Share of one-year-olds who are vaccinated against polio
Chad
67.0%
in 2024
Congo, Democratic Republic of the
65.0%
in 2024
Chad rank
173rd
Congo, Democratic Republic of the rank
176th
Share of one-year-olds who are vaccinated against polio over time
- Chad
- Congo, Democratic Republic of the
How they compare
Chad currently reports 67.0% against 65.0% in Congo, Democratic Republic of the, a difference of 2.0%.
The two have swapped places 5 times across 41 shared years of data; in 1984 it was Congo, Democratic Republic of the ahead.
Chad ranks 173rd and Congo, Democratic Republic of the ranks 176th of 194 countries.
Congo, Democratic Republic of the has averaged higher in every one of the 5 decades both report.
Head to head by decade
| Decade | Chad | Congo, Democratic Republic of the | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 10.3% | 36.7% | 26.3% | Congo, Democratic Republic of the |
| 1990s | 20.3% | 23.6% | 3.3% | Congo, Democratic Republic of the |
| 2000s | 34.0% | 51.5% | 17.5% | Congo, Democratic Republic of the |
| 2010s | 45.5% | 69.7% | 24.2% | Congo, Democratic Republic of the |
| 2020s | 60.0% | 65.8% | 5.8% | Congo, Democratic Republic of the |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of one-year-olds who are vaccinated against polio, Chad or Congo, Democratic Republic of the?
- Chad, at 67.0% against 65.0% in Congo, Democratic Republic of the as of 2024.
- What is the difference in share of one-year-olds who are vaccinated against polio between Chad and Congo, Democratic Republic of the?
- 2.0%, with Chad ahead.
- How many years of comparable data are there for Chad and Congo, Democratic Republic of the?
- 41 years are reported by both, from 1984 to 2024.
- How do Chad and Congo, Democratic Republic of the rank globally for share of one-year-olds who are vaccinated against polio?
- Chad ranks 173rd and Congo, Democratic Republic of the ranks 176th 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 Share of one-year-olds who are vaccinated against polio. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Share of one-year-olds who have had the third dose of either the oral or inactivated polio vaccine in a given year.