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.
Share of one-year-olds who received the inactivated polio vaccine in Bulgaria, year by year
| Year | % | Change |
|---|---|---|
| 2015 | 93.0% | — |
| 2016 | 94.0% | +1.1% |
| 2017 | 96.0% | +2.1% |
| 2018 | 95.0% | -1.0% |
| 2019 | 96.0% | +1.1% |
| 2020 | 94.0% | -2.1% |
| 2021 | 92.0% | -2.1% |
| 2022 | 94.0% | +2.2% |
| 2023 | 95.0% | +1.1% |
| 2024 | 96.0% | +1.1% |
Bulgaria compared with similar countries
- Bulgaria's 96.0% is below the median for high income countries, which is 97.0%, 99% of the median. (63 countries reporting)
- Bulgaria's 96.0% is below the median for Europe & Central Asia, which is 97.0%, 99% of the median. (51 countries reporting)
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
- Un projection of annual infant deaths, annual growth rate -2.5 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate -0.615 % change on previous year (2090)
- 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)
- Neonatal tetanus - number of reported cases, gaps filled 0 (2025)
- Population ages 00-04, female, annual growth rate 0.2564 % change on previous year (2025)
- Population ages 00-04, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 00-04, female, per capita 0.0222 units per person (2025)
- Population ages 00-04, male, annual growth rate 0.3643 % change on previous year (2025)
- Population ages 00-04, male, per unit of GDP 0 units per US$ of GDP (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.