Chad vs South Sudan: Share of one-year-olds vaccinated against diphtheria, tetanus
Chad
71.0%
in 2025
South Sudan
73.0%
in 2025
Chad rank
167th
South Sudan rank
164th
Share of one-year-olds vaccinated against diphtheria, tetanus over time
- Chad
- South Sudan
How they compare
South Sudan currently reports 73.0% against 71.0% in Chad, a difference of 2.0%.
Across all 15 years both countries report, South Sudan has been ahead every year.
Chad ranks 167th and South Sudan ranks 164th of 195 countries.
South Sudan has averaged higher in every one of the 2 decades both report.
Head to head by decade
| Decade | Chad | South Sudan | Difference | Ahead |
|---|---|---|---|---|
| 2010s | 41.3% | 54.4% | 13.1% | South Sudan |
| 2020s | 64.8% | 71.3% | 6.5% | South 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 South Sudan?
- South Sudan, at 73.0% against 71.0% in Chad as of 2025.
- What is the difference in share of one-year-olds vaccinated against diphtheria, tetanus and pertussis between Chad and South Sudan?
- 2.0%, with South Sudan ahead.
- How many years of comparable data are there for Chad and South Sudan?
- 15 years are reported by both, from 2011 to 2025.
- How do Chad and South Sudan rank globally for share of one-year-olds vaccinated against diphtheria, tetanus and pertussis?
- Chad ranks 167th and South Sudan ranks 164th 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.