Bulgaria vs Spain: Share of one-year-olds who are vaccinated against polio
Bulgaria
94.0%
in 2024
Spain
94.0%
in 2024
Bulgaria rank
63rd
Spain rank
63rd
Share of one-year-olds who are vaccinated against polio over time
- Bulgaria
- Spain
How they compare
Bulgaria currently reports 94.0% against 94.0% in Spain, a difference of 0.0%.
The two have swapped places 5 times across 41 shared years of data; in 1984 it was Bulgaria ahead.
Bulgaria ranks 63rd and Spain ranks 63rd of 194 countries.
Across the 5 decades both report, Bulgaria averaged higher in 2 and Spain in 3.
Head to head by decade
| Decade | Bulgaria | Spain | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 99.0% | 84.8% | 14.2% | Bulgaria |
| 1990s | 95.1% | 90.5% | 4.6% | Bulgaria |
| 2000s | 95.0% | 96.7% | 1.7% | Spain |
| 2010s | 92.7% | 96.3% | 3.6% | Spain |
| 2020s | 91.4% | 93.8% | 2.4% | Spain |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of one-year-olds who are vaccinated against polio, Bulgaria or Spain?
- Bulgaria, at 94.0% against 94.0% in Spain as of 2024.
- What is the difference in share of one-year-olds who are vaccinated against polio between Bulgaria and Spain?
- 0.0%, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Spain?
- 41 years are reported by both, from 1984 to 2024.
- How do Bulgaria and Spain rank globally for share of one-year-olds who are vaccinated against polio?
- Bulgaria ranks 63rd and Spain ranks 63rd 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 who are vaccinated against polio. 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 the third dose of either the oral or inactivated polio vaccine in a given year.