Pertussis - number of reported cases, gaps filled in Bulgaria
Bulgaria: Pertussis - number of reported cases, gaps filled was 88 in 2025. ◆ Volatile
Pertussis - number of reported cases, gaps filled in Bulgaria, 1974–2025
Source: Statizoid (derived).
Analysis
Bulgaria recorded 88 for pertussis - number of reported cases, gaps filled in 2025.
Compared with earlier readings it is down 96.8% on the previous year and up 151.4% over ten years.
Over the whole period, pertussis - number of reported cases, gaps filled in Bulgaria peaked at 7,738 in 1974 and was at its lowest, 3, in 2021.
Bulgaria ranks 75th of 210 countries on this measure, 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, gaps filled 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)
- 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)
- Population ages 80 and above, female, per capita 0.0336 units per person (2025)
- Population ages 80 and above, male, annual growth rate 1.97 % change on previous year (2025)
- Population ages 80 and above, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 80 and above, male, per capita 0.0166 units per person (2025)
- Pertussis - number of reported cases, per capita 0 units per person (2025)
- Total tetanus - number of reported cases, gaps filled 1 (2025)
Frequently asked questions
- What is pertussis - number of reported cases, gaps filled in Bulgaria?
- Pertussis - number of reported cases, gaps filled in Bulgaria was 88 in 2025, according to Statizoid (derived).
- What is the highest pertussis - number of reported cases, gaps filled recorded in Bulgaria?
- The highest recorded value was 7,738 in 1974.
- What is the lowest pertussis - number of reported cases, gaps filled recorded in Bulgaria?
- The lowest recorded value was 3 in 2021.
- How does Bulgaria rank for pertussis - number of reported cases, gaps filled?
- Bulgaria ranks 75th out of 210 countries with data for 2025.
- Is pertussis - number of reported cases, gaps filled 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 Statizoid (derived), published as part of Pertussis - number of reported cases, gaps filled. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 52 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
Pertussis - number of reported cases with 623 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.
Computed from
- Pertussis - number of reported cases World Health Organization, Global Health Observatory
Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.
About this data
Pertussis - number of reported cases with 623 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.