Pertussis - number of reported cases in Bulgaria
Bulgaria: Pertussis - number of reported cases was 88 in 2025. ◆ Volatile
Latest (2025)
88
Change on year
down 96.8%
World rank
75th
of 210 countries
All-time high
7,738
in 1974
All-time low
3
in 2021
Years of data
52
1974–2025
Pertussis - number of reported cases in Bulgaria, 1974–2025
Source: World Health Organization, Global Health Observatory.
Analysis
In 2025, pertussis - number of reported cases in Bulgaria stood at 88.
That represents a change of down 96.8% on the previous year and up 151.4% over ten years.
Over the whole period, pertussis - number of reported cases in Bulgaria peaked at 7,738 in 1974 and was at its lowest, 3, in 2021.
That places Bulgaria 75th out of 210 countries with data for 2025, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Pertussis - number of reported cases in Bulgaria, year by year
| Year | Value | Change |
|---|---|---|
| 1974 | 7,738 | — |
| 1975 | 486 | -93.7% |
| 1976 | 141 | -71.0% |
| 1977 | 1,393 | +887.9% |
| 1978 | 909 | -34.7% |
| 1979 | 145 | -84.0% |
| 1980 | 154 | +6.2% |
| 1981 | 391 | +153.9% |
| 1982 | 169 | -56.8% |
| 1983 | 66 | -60.9% |
| 1984 | 226 | +242.4% |
| 1985 | 40 | -82.3% |
| 1986 | 53 | +32.5% |
| 1987 | 54 | +1.9% |
| 1988 | 14 | -74.1% |
| 1989 | 15 | +7.1% |
| 1990 | 26 | +73.3% |
| 1991 | 13 | -50.0% |
| 1992 | 82 | +530.8% |
| 1993 | 74 | -9.8% |
| 1994 | 22 | -70.3% |
| 1995 | 77 | +250.0% |
| 1996 | 40 | -48.1% |
| 1997 | 44 | +10.0% |
| 1998 | 40 | -9.1% |
| 1999 | 123 | +207.5% |
| 2000 | 106 | -13.8% |
| 2001 | 81 | -23.6% |
| 2002 | 82 | +1.2% |
| 2003 | 180 | +119.5% |
| 2004 | 222 | +23.3% |
| 2005 | 313 | +41.0% |
| 2006 | 335 | +7.0% |
| 2007 | 269 | -19.7% |
| 2008 | 193 | -28.3% |
| 2009 | 251 | +30.1% |
| 2010 | 54 | -78.5% |
| 2011 | 46 | -14.8% |
| 2012 | 102 | +121.7% |
| 2013 | 89 | -12.7% |
| 2014 | 52 | -41.6% |
| 2015 | 35 | -32.7% |
| 2016 | 98 | +180.0% |
| 2017 | 116 | +18.4% |
| 2018 | 114 | -1.7% |
| 2019 | 70 | -38.6% |
| 2020 | 27 | -61.4% |
| 2021 | 3 | -88.9% |
| 2022 | 17 | +466.7% |
| 2023 | 20 | +17.6% |
| 2024 | 2,721 | +13505.0% |
| 2025 | 88 | -96.8% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 1,802 | 141 | 7,738 | 6 |
| 1980s | 118.2 | 14 | 391 | 10 |
| 1990s | 54.1 | 13 | 123 | 10 |
| 2000s | 203.2 | 81 | 335 | 10 |
| 2010s | 77.6 | 35 | 116 | 10 |
| 2020s | 479.33 | 3 | 2,721 | 6 |
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)
- Heat deaths vs projected death rates 1,422 (2090)
- Un projection of annual infant deaths 39 (2100)
- Population ages 65 and above, female, annual growth rate 0.7182 % change on previous year (2025)
- Population ages 65 and above, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 65 and above, female, per capita 0.134 units per person (2025)
- Population ages 65 and above, male, annual growth rate 0.9356 % change on previous year (2025)
- Population ages 65 and above, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 65 and above, male, per capita 0.0883 units per person (2025)
Frequently asked questions
- What is pertussis - number of reported cases in Bulgaria?
- Pertussis - number of reported cases in Bulgaria was 88 in 2025, according to World Health Organization, Global Health Observatory.
- What is the highest pertussis - number of reported cases recorded in Bulgaria?
- The highest recorded value was 7,738 in 1974.
- What is the lowest pertussis - number of reported cases recorded in Bulgaria?
- The lowest recorded value was 3 in 2021.
- How does Bulgaria rank for pertussis - number of reported cases?
- Bulgaria ranks 75th out of 210 countries with data for 2025.
- Is pertussis - number of reported cases rising or falling in Bulgaria?
- Over the last ten years it is up 151.4%. The long-run trend across the full record is volatile.
- Where does this Bulgaria data come from?
- The figures come from World Health Organization, Global Health Observatory, published as part of Pertussis - number of reported cases. Statizoid updates them automatically from the source API.
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