Pertussis - number of reported cases, per square kilometre in Bulgaria
Bulgaria: Pertussis - number of reported cases, per square kilometre was 0.0002 units per square kilometre in 2023. ◆ Volatile
Pertussis - number of reported cases, per square kilometre in Bulgaria, 1974–2023
Source: Statizoid (derived). Measured in units per square kilometre.
Analysis
Bulgaria recorded 0.0002 units per square kilometre for pertussis - number of reported cases, per square kilometre in 2023.
Compared with earlier readings it is up 17.6% on the previous year and down 77.5% over ten years.
Over the whole period, pertussis - number of reported cases, per square kilometre in Bulgaria peaked at 0.0699 units per square kilometre in 1974 and was at its lowest, 0 units per square kilometre, in 2021.
That places Bulgaria 89th out of 204 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.
Pertussis - number of reported cases, per square kilometre in Bulgaria, year by year
| Year | units per square kilometre | Change |
|---|---|---|
| 1974 | 0.0699 units per square kilometre | — |
| 1975 | 0.0044 units per square kilometre | -93.7% |
| 1976 | 0.0013 units per square kilometre | -71.0% |
| 1977 | 0.0126 units per square kilometre | +887.9% |
| 1978 | 0.0082 units per square kilometre | -34.7% |
| 1979 | 0.0013 units per square kilometre | -84.0% |
| 1980 | 0.0014 units per square kilometre | +6.2% |
| 1981 | 0.0035 units per square kilometre | +153.9% |
| 1982 | 0.0015 units per square kilometre | -56.8% |
| 1983 | 0.0006 units per square kilometre | -60.9% |
| 1984 | 0.002 units per square kilometre | +242.4% |
| 1985 | 0.0004 units per square kilometre | -82.3% |
| 1986 | 0.0005 units per square kilometre | +32.5% |
| 1987 | 0.0005 units per square kilometre | +1.9% |
| 1988 | 0.0001 units per square kilometre | -74.1% |
| 1989 | 0.0001 units per square kilometre | +7.1% |
| 1990 | 0.0002 units per square kilometre | +73.3% |
| 1991 | 0.0001 units per square kilometre | -50.0% |
| 1992 | 0.0007 units per square kilometre | +530.8% |
| 1993 | 0.0007 units per square kilometre | -9.8% |
| 1994 | 0.0002 units per square kilometre | -70.3% |
| 1995 | 0.0007 units per square kilometre | +250.0% |
| 1996 | 0.0004 units per square kilometre | -48.1% |
| 1997 | 0.0004 units per square kilometre | +10.0% |
| 1998 | 0.0004 units per square kilometre | -9.1% |
| 1999 | 0.0011 units per square kilometre | +207.5% |
| 2000 | 0.001 units per square kilometre | -13.8% |
| 2001 | 0.0007 units per square kilometre | -23.6% |
| 2002 | 0.0008 units per square kilometre | +2.9% |
| 2003 | 0.0017 units per square kilometre | +119.6% |
| 2004 | 0.002 units per square kilometre | +23.3% |
| 2005 | 0.0029 units per square kilometre | +41.1% |
| 2006 | 0.0031 units per square kilometre | +7.0% |
| 2007 | 0.0025 units per square kilometre | -19.7% |
| 2008 | 0.0018 units per square kilometre | -28.3% |
| 2009 | 0.0023 units per square kilometre | +30.1% |
| 2010 | 0.0005 units per square kilometre | -78.5% |
| 2011 | 0.0004 units per square kilometre | -14.8% |
| 2012 | 0.0009 units per square kilometre | +121.7% |
| 2013 | 0.0008 units per square kilometre | -12.7% |
| 2014 | 0.0005 units per square kilometre | -41.6% |
| 2015 | 0.0003 units per square kilometre | -32.7% |
| 2016 | 0.0009 units per square kilometre | +180.0% |
| 2017 | 0.0011 units per square kilometre | +18.4% |
| 2018 | 0.0011 units per square kilometre | -1.7% |
| 2019 | 0.0006 units per square kilometre | -38.6% |
| 2020 | 0.0002 units per square kilometre | -61.4% |
| 2021 | 0 units per square kilometre | -88.9% |
| 2022 | 0.0002 units per square kilometre | +466.7% |
| 2023 | 0.0002 units per square kilometre | +17.6% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 0.0163 units per square kilometre | 0.0013 units per square kilometre | 0.0699 units per square kilometre | 6 |
| 1980s | 0.0011 units per square kilometre | 0.0001 units per square kilometre | 0.0035 units per square kilometre | 10 |
| 1990s | 0.0005 units per square kilometre | 0.0001 units per square kilometre | 0.0011 units per square kilometre | 10 |
| 2000s | 0.0019 units per square kilometre | 0.0007 units per square kilometre | 0.0031 units per square kilometre | 10 |
| 2010s | 0.0007 units per square kilometre | 0.0003 units per square kilometre | 0.0011 units per square kilometre | 10 |
| 2020s | 0.0002 units per square kilometre | 0 units per square kilometre | 0.0002 units per square kilometre | 4 |
Countries ranked near Bulgaria
- 86 Cyprus 0.0002 units per square kilometre compare
- 87 Madagascar 0.0002 units per square kilometre compare
- 88 Pakistan 0.0002 units per square kilometre compare
- 90 Morocco 0.0002 units per square kilometre compare
- 91 Canada 0.0002 units per square kilometre compare
- 92 North Macedonia 0.0002 units per square kilometre 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)
- 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 pertussis - number of reported cases, per square kilometre in Bulgaria?
- Pertussis - number of reported cases, per square kilometre in Bulgaria was 0.0002 units per square kilometre in 2023, according to Statizoid (derived).
- What is the highest pertussis - number of reported cases, per square kilometre recorded in Bulgaria?
- The highest recorded value was 0.0699 units per square kilometre in 1974.
- What is the lowest pertussis - number of reported cases, per square kilometre recorded in Bulgaria?
- The lowest recorded value was 0 units per square kilometre in 2021.
- How does Bulgaria rank for pertussis - number of reported cases, per square kilometre?
- Bulgaria ranks 89th out of 204 countries with data for 2023.
- Is pertussis - number of reported cases, per square kilometre rising or falling in Bulgaria?
- Over the last ten years it is down 77.5%. 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, per square kilometre. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 50 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 divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.
Pertussis - number of reported cases ÷ Land area (sq. km)
Computed from
- Pertussis - number of reported cases World Health Organization, Global Health Observatory
- Land area FAOSTAT, Food and Agriculture Organization of the United Nations (FAO)
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 divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.