Bulgaria vs Tunisia: Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus
Bulgaria
4,925 one-year-olds
in 2023
Tunisia
5,038 one-year-olds
in 2023
Bulgaria rank
113th
Tunisia rank
112th
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus over time
- Bulgaria
- Tunisia
How they compare
Tunisia currently reports 5,038 one-year-olds against 4,925 one-year-olds in Bulgaria, a difference of 113 one-year-olds.
The two have swapped places 12 times across 41 shared years of data; in 1983 it was Tunisia ahead.
Bulgaria ranks 113th and Tunisia ranks 112th of 194 countries.
Across the 5 decades both report, Bulgaria averaged higher in 2 and Tunisia in 3.
Head to head by decade
| Decade | Bulgaria | Tunisia | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 1,193 one-year-olds | 49,783 one-year-olds | 48,590 one-year-olds | Tunisia |
| 1990s | 2,856 one-year-olds | 10,306 one-year-olds | 7,450 one-year-olds | Tunisia |
| 2000s | 3,694 one-year-olds | 4,057 one-year-olds | 363.02 one-year-olds | Tunisia |
| 2010s | 4,918 one-year-olds | 4,590 one-year-olds | 327.84 one-year-olds | Bulgaria |
| 2020s | 5,628 one-year-olds | 5,514 one-year-olds | 113.57 one-year-olds | Bulgaria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus, Bulgaria or Tunisia?
- Tunisia, at 5,038 one-year-olds against 4,925 one-year-olds in Bulgaria as of 2023.
- What is the difference in number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus between Bulgaria and Tunisia?
- 113 one-year-olds, with Tunisia ahead.
- How many years of comparable data are there for Bulgaria and Tunisia?
- 41 years are reported by both, from 1983 to 2023.
- How do Bulgaria and Tunisia rank globally for number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus?
- Bulgaria ranks 113th and Tunisia ranks 112th 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 Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Number of one-year-olds who have not had three doses of the combined diphtheria, tetanus and pertussis vaccine in a given year.