Share of one-year-olds who received the inactivated polio vaccine in Bulgaria
Bulgaria: Share of one-year-olds who received the inactivated polio vaccine was 96.0% in 2024. ▬ Flat
Share of one-year-olds who received the inactivated polio vaccine in Bulgaria, 2015–2024
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in %.
Analysis
In 2024, share of one-year-olds who received the inactivated polio vaccine in Bulgaria stood at 96.0%. That is the highest value across all 10 years on record.
Compared with earlier readings it is up 1.1% on the previous year and up 3.2% over ten years.
Over the whole period, share of one-year-olds who received the inactivated polio vaccine in Bulgaria peaked at 96.0% in 2017 and was at its lowest, 92.0%, in 2021.
Bulgaria ranks 71st of 194 countries on this measure, in the middle of the range.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2010s | 94.8% | 93.0% | 96.0% | 5 |
| 2020s | 94.2% | 92.0% | 96.0% | 5 |
Countries ranked near Bulgaria
More health data for Bulgaria
- Estimated changes in temperature-related death rates compared to projected death rates 1,422 deaths per 1,000 people (2090)
- Number of infants who die before age 1 39 deaths (2100)
- Deaths in armed conflicts based on where they occurred 0 deaths (2026)
- Deaths in armed conflicts by region 0 deaths (2026)
- Age population, age 25, male, interpolated 33,740 (2025)
- Age population, age 25, female, interpolated 32,326 (2025)
- Age population, age 24, male, interpolated 32,847 (2025)
- Age population, age 24, female, interpolated 31,139 (2025)
- Age population, age 23, male, interpolated 32,049 (2025)
- Age population, age 23, female, interpolated 29,959 (2025)
Frequently asked questions
- What is share of one-year-olds who received the inactivated polio vaccine in Bulgaria?
- Share of one-year-olds who received the inactivated polio vaccine in Bulgaria was 96.0% in 2024, according to WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest share of one-year-olds who received the inactivated polio vaccine recorded in Bulgaria?
- The highest recorded value was 96.0% in 2017.
- What is the lowest share of one-year-olds who received the inactivated polio vaccine recorded in Bulgaria?
- The lowest recorded value was 92.0% in 2021.
- How does Bulgaria rank for share of one-year-olds who received the inactivated polio vaccine?
- Bulgaria ranks 71st out of 194 countries with data for 2024.
- Is share of one-year-olds who received the inactivated polio vaccine rising or falling in Bulgaria?
- Over the last ten years it is up 3.2%. The long-run trend across the full record is flat.
- Where does this Bulgaria data come from?
- The figures come from WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Share of one-year-olds who received the inactivated polio vaccine. Statizoid updates them automatically from the source API.
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About this data
Share of one-year-olds who have had the first dose of the inactivated polio vaccine in a given year.