Polio number unvaccinated in Bulgaria
Bulgaria: Polio number unvaccinated was 4,925 in 2023. ◆ Volatile
Polio number unvaccinated in Bulgaria, 1980–2023
Source: Our World in Data.
Analysis
Bulgaria recorded 4,925 for polio number unvaccinated in 2023.
Compared with earlier readings it is down 7.6% on the previous year and up 45.3% over ten years.
Over the whole period, polio number unvaccinated in Bulgaria peaked at 19,696 in 1991 and was at its lowest, 948.46, in 1992.
That places Bulgaria 114th out of 194 countries with data for 2023, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Polio number unvaccinated in Bulgaria, year by year
| Year | Value | Change |
|---|---|---|
| 1980 | 1,321 | — |
| 1981 | 1,289 | -2.4% |
| 1982 | 1,236 | -4.1% |
| 1983 | 2,435 | +97.0% |
| 1984 | 1,212 | -50.2% |
| 1985 | 1,198 | -1.2% |
| 1986 | 1,212 | +1.2% |
| 1987 | 1,209 | -0.3% |
| 1988 | 1,165 | -3.6% |
| 1989 | 1,139 | -2.3% |
| 1990 | 1,101 | -3.3% |
| 1991 | 19,696 | +1689.4% |
| 1992 | 948.46 | -95.2% |
| 1993 | 2,647 | +179.1% |
| 1994 | 5,074 | +91.7% |
| 1995 | 2,392 | -52.9% |
| 1996 | 3,678 | +53.7% |
| 1997 | 2,793 | -24.1% |
| 1998 | 2,630 | -5.8% |
| 1999 | 1,870 | -28.9% |
| 2000 | 3,968 | +112.1% |
| 2001 | 4,081 | +2.9% |
| 2002 | 3,974 | -2.6% |
| 2003 | 2,618 | -34.1% |
| 2004 | 3,931 | +50.2% |
| 2005 | 2,014 | -48.8% |
| 2006 | 2,754 | +36.7% |
| 2007 | 3,528 | +28.1% |
| 2008 | 2,891 | -18.0% |
| 2009 | 4,427 | +53.1% |
| 2010 | 4,554 | +2.9% |
| 2011 | 3,711 | -18.5% |
| 2012 | 3,498 | -5.7% |
| 2013 | 3,390 | -3.1% |
| 2014 | 7,918 | +133.6% |
| 2015 | 5,947 | -24.9% |
| 2016 | 5,314 | -10.6% |
| 2017 | 5,226 | -1.6% |
| 2018 | 5,176 | -1.0% |
| 2019 | 4,442 | -14.2% |
| 2020 | 5,591 | +25.9% |
| 2021 | 6,666 | +19.2% |
| 2022 | 5,329 | -20.1% |
| 2023 | 4,925 | -7.6% |
Bulgaria compared with similar countries
- Bulgaria's 4,925 is above the median for high income countries, which is 2,216, 2.2× the median. (63 countries reporting)
- Bulgaria's 4,925 is above the median for Europe & Central Asia, which is 4,043, 1.2× the median. (51 countries reporting)
Biggest year-on-year movements
Years where Polio number unvaccinated in Bulgaria changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1991 | +1689.4% | 1,101 | 19,696 |
| 1993 | +179.1% | 948.46 | 2,647 |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 1,341 | 1,139 | 2,435 | 10 |
| 1990s | 4,283 | 948.46 | 19,696 | 10 |
| 2000s | 3,418 | 2,014 | 4,427 | 10 |
| 2010s | 4,918 | 3,390 | 7,918 | 10 |
| 2020s | 5,628 | 4,925 | 6,666 | 4 |
Countries ranked near Bulgaria
- 111 Georgia 5,572 compare
- 112 East Timor 5,085 compare
- 113 Tunisia 5,038 compare
- 115 Eritrea 4,692 compare
- 116 United Arab Emirates 4,501 compare
- 117 Kazakhstan 4,351 compare
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)
- Un projection of annual infant deaths 39 (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)
- Population ages 00-04, male, per capita 0.0235 units per person (2025)
Frequently asked questions
- What is polio number unvaccinated in Bulgaria?
- Polio number unvaccinated in Bulgaria was 4,925 in 2023, according to Our World in Data.
- What is the highest polio number unvaccinated recorded in Bulgaria?
- The highest recorded value was 19,696 in 1991.
- What is the lowest polio number unvaccinated recorded in Bulgaria?
- The lowest recorded value was 948.46 in 1992.
- How does Bulgaria rank for polio number unvaccinated?
- Bulgaria ranks 114th out of 194 countries with data for 2023.
- Is polio number unvaccinated rising or falling in Bulgaria?
- Over the last ten years it is up 45.3%. The long-run trend across the full record is volatile.
- Where does this Bulgaria data come from?
- The figures come from Our World in Data, published as part of Polio number unvaccinated. Statizoid updates them automatically from the source API.
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