Chad vs Somalia: Share of one-year-olds vaccinated against diphtheria, tetanus
Chad
71.0%
in 2025
Somalia
72.0%
in 2025
Chad rank
167th
Somalia rank
166th
Share of one-year-olds vaccinated against diphtheria, tetanus over time
- Chad
- Somalia
How they compare
Somalia currently reports 72.0% against 71.0% in Chad, a difference of 1.0%.
The two have swapped places 6 times across 43 shared years of data; in 1983 it was Somalia ahead.
Chad ranks 167th and Somalia ranks 166th of 195 countries.
Somalia has averaged higher in every one of the 5 decades both report.
Head to head by decade
| Decade | Chad | Somalia | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 9.3% | 17.6% | 8.3% | Somalia |
| 1990s | 22.3% | 23.6% | 1.3% | Somalia |
| 2000s | 27.5% | 35.0% | 7.5% | Somalia |
| 2010s | 41.2% | 47.6% | 6.4% | Somalia |
| 2020s | 64.8% | 66.5% | 1.7% | Somalia |
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 Somalia?
- Somalia, at 72.0% 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 Somalia?
- 1.0%, with Somalia ahead.
- How many years of comparable data are there for Chad and Somalia?
- 43 years are reported by both, from 1983 to 2025.
- How do Chad and Somalia rank globally for share of one-year-olds vaccinated against diphtheria, tetanus and pertussis?
- Chad ranks 167th and Somalia ranks 166th 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.