Bulgaria vs Seychelles: Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis
Bulgaria
94.0%
in 2024
Seychelles
94.0%
in 2024
Bulgaria rank
67th
Seychelles rank
67th
Share of one-year-olds vaccinated against diphtheria, tetanus and pertussis over time
- Bulgaria
- Seychelles
How they compare
Bulgaria currently reports 94.0% against 94.0% in Seychelles, a difference of 0.0%.
The two have swapped places 3 times across 44 shared years of data; in 1981 it was Bulgaria ahead.
Bulgaria ranks 67th and Seychelles ranks 67th of 194 countries.
Across the 5 decades both report, Bulgaria averaged higher in 1 and Seychelles in 4.
Head to head by decade
| Decade | Bulgaria | Seychelles | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 99.0% | 80.0% | 19.0% | Bulgaria |
| 1990s | 96.3% | 97.7% | 1.4% | Seychelles |
| 2000s | 94.6% | 98.6% | 4.0% | Seychelles |
| 2010s | 92.7% | 98.1% | 5.4% | Seychelles |
| 2020s | 91.4% | 95.8% | 4.4% | Seychelles |
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 Seychelles?
- Bulgaria, at 94.0% against 94.0% in Seychelles as of 2024.
- What is the difference in share of one-year-olds vaccinated against diphtheria, tetanus and pertussis between Bulgaria and Seychelles?
- 0.0%, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Seychelles?
- 44 years are reported by both, from 1981 to 2024.
- How do Bulgaria and Seychelles rank globally for share of one-year-olds vaccinated against diphtheria, tetanus and pertussis?
- Bulgaria ranks 67th and Seychelles ranks 67th 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 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.