Chad vs Sudan: Share of one-year-olds vaccinated against diphtheria, tetanus
Chad
71.0%
in 2025
Sudan
71.0%
in 2025
Chad rank
167th
Sudan rank
167th
Share of one-year-olds vaccinated against diphtheria, tetanus over time
- Chad
- Sudan
How they compare
Chad currently reports 71.0% against 71.0% in Sudan, a difference of 0.0%.
The two have swapped places 2 times across 43 shared years of data; in 1983 it was Sudan ahead.
Chad ranks 167th and Sudan ranks 167th of 195 countries.
Sudan has averaged higher in every one of the 5 decades both report.
Head to head by decade
| Decade | Chad | Sudan | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 9.3% | 22.3% | 13.0% | Sudan |
| 1990s | 22.3% | 53.4% | 31.1% | Sudan |
| 2000s | 27.5% | 73.8% | 46.3% | Sudan |
| 2010s | 41.2% | 92.9% | 51.7% | Sudan |
| 2020s | 64.8% | 69.8% | 5.0% | Sudan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of one-year-olds vaccinated against diphtheria, tetanus and pertussis, Chad or Sudan?
- Chad, at 71.0% against 71.0% in Sudan as of 2025.
- What is the difference in share of one-year-olds vaccinated against diphtheria, tetanus and pertussis between Chad and Sudan?
- 0.0%, with Chad ahead.
- How many years of comparable data are there for Chad and Sudan?
- 43 years are reported by both, from 1983 to 2025.
- How do Chad and Sudan rank globally for share of one-year-olds vaccinated against diphtheria, tetanus and pertussis?
- Chad ranks 167th and Sudan ranks 167th of 195 countries.
- Where does this data come from?
- WHO & UNICEF (2026); UN, World Population Prospects (2024) – processed by Our World in Data, published as Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis. 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 three doses of the combined diphtheria, tetanus and pertussis vaccine in a given year.