Bulgaria vs Serbia: Share of one-year-olds vaccinated against diphtheria, tetanus
Bulgaria
92.0%
in 2025
Serbia
92.0%
in 2025
Bulgaria rank
84th
Serbia rank
84th
Share of one-year-olds vaccinated against diphtheria, tetanus over time
- Bulgaria
- Serbia
How they compare
Bulgaria currently reports 92.0% against 92.0% in Serbia, a difference of 0.0%.
The two have swapped places 11 times across 34 shared years of data; in 1992 it was Bulgaria ahead.
Bulgaria ranks 84th and Serbia ranks 84th of 195 countries.
Across the 4 decades both report, Bulgaria averaged higher in 2 and Serbia in 2.
Head to head by decade
| Decade | Bulgaria | Serbia | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 95.6% | 89.1% | 6.5% | Bulgaria |
| 2000s | 94.6% | 93.4% | 1.2% | Bulgaria |
| 2010s | 92.7% | 94.1% | 1.4% | Serbia |
| 2020s | 91.5% | 92.5% | 1.0% | Serbia |
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, Bulgaria or Serbia?
- Bulgaria, at 92.0% against 92.0% in Serbia as of 2025.
- What is the difference in share of one-year-olds vaccinated against diphtheria, tetanus and pertussis between Bulgaria and Serbia?
- 0.0%, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Serbia?
- 34 years are reported by both, from 1992 to 2025.
- How do Bulgaria and Serbia rank globally for share of one-year-olds vaccinated against diphtheria, tetanus and pertussis?
- Bulgaria ranks 84th and Serbia ranks 84th 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.