Australia vs Bulgaria: Share of one-year-olds vaccinated against diphtheria, tetanus
Australia
92.0%
in 2025
Bulgaria
92.0%
in 2025
Australia rank
84th
Bulgaria rank
84th
Share of one-year-olds vaccinated against diphtheria, tetanus over time
- Australia
- Bulgaria
How they compare
Australia currently reports 92.0% against 92.0% in Bulgaria, a difference of 0.0%.
The two have swapped places 2 times across 46 shared years of data; in 1980 it was Bulgaria ahead.
Australia ranks 84th and Bulgaria ranks 84th of 195 countries.
Across the 5 decades both report, Australia averaged higher in 2 and Bulgaria in 3.
Head to head by decade
| Decade | Australia | Bulgaria | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 64.3% | 98.9% | 34.6% | Bulgaria |
| 1990s | 87.6% | 96.3% | 8.7% | Bulgaria |
| 2000s | 91.9% | 94.6% | 2.7% | Bulgaria |
| 2010s | 93.1% | 92.7% | 0.4% | Australia |
| 2020s | 93.8% | 91.5% | 2.3% | Australia |
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, Australia or Bulgaria?
- Australia, at 92.0% against 92.0% in Bulgaria as of 2025.
- What is the difference in share of one-year-olds vaccinated against diphtheria, tetanus and pertussis between Australia and Bulgaria?
- 0.0%, with Australia ahead.
- How many years of comparable data are there for Australia and Bulgaria?
- 46 years are reported by both, from 1980 to 2025.
- How do Australia and Bulgaria rank globally for share of one-year-olds vaccinated against diphtheria, tetanus and pertussis?
- Australia ranks 84th and Bulgaria 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.