Pertussis - number of reported cases, annual growth rate in Denmark

Denmark: Pertussis - number of reported cases, annual growth rate was -89.02 % change on previous year in 2025. ◆ Volatile

Latest (2025)
-89.02 % change on previous year
Change on year
down 148.7%
World rank
94th
of 191 countries
All-time high
259.63 % change on previous year
in 2019
All-time low
-96.65 % change on previous year
in 2021
Years of data
45
1975–2025

Pertussis - number of reported cases, annual growth rate in Denmark, 1975–2025

-10001002003001975200020251975: -6.3 % change on previous year1977: -30.1 % change on previous year1978: -64.6 % change on previous year1979: -13.5 % change on previous year1980: 41.6 % change on previous year1981: -12.2 % change on previous year1982: -69.6 % change on previous year1983: 41.9 % change on previous year1984: 78.9 % change on previous year1985: -44.1 % change on previous year1986: -39.5 % change on previous year1987: 154.8 % change on previous year1988: -67 % change on previous year1989: -3.2 % change on previous year1990: -38.7 % change on previous year1991: 44.3 % change on previous year1992: -39.7 % change on previous year1993: -51.1 % change on previous year1994: -83.9 % change on previous year1995: 110.3 % change on previous year1996: 8.5 % change on previous year1997: 122.5 % change on previous year2001: 22 % change on previous year2002: 61.5 % change on previous year2003: -64.7 % change on previous year2004: 100 % change on previous year2005: -43.4 % change on previous year2006: -57.4 % change on previous year2007: 47.3 % change on previous year2008: 29.6 % change on previous year2009: -21 % change on previous year2010: -7.2 % change on previous year2011: -7.8 % change on previous year2013: -50.6 % change on previous year2014: 76.7 % change on previous year2015: 12.5 % change on previous year2016: 117.9 % change on previous year2017: -48.4 % change on previous year2018: -4.9 % change on previous year2019: 259.6 % change on previous year2020: -35.4 % change on previous year2021: -96.7 % change on previous year2022: -35 % change on previous year2024: -35.8 % change on previous year2025: -89 % change on previous year

Source: Statizoid (derived). Measured in % change on previous year.

Analysis

The most recent figure for pertussis - number of reported cases, annual growth rate in Denmark is -89.02 % change on previous year, measured in 2025.

The figure is down 148.7% on the previous year and down 811.4% over ten years.

Over the whole period, pertussis - number of reported cases, annual growth rate in Denmark peaked at 259.63 % change on previous year in 2019 and was at its lowest, -96.65 % change on previous year, in 2021.

That places Denmark 94th out of 191 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, annual growth rate in Denmark, year by year

Annual values for Pertussis - number of reported cases, annual growth rate in Denmark, 1975 to 2025.
Year % change on previous year Change
1975 -6.3 % change on previous year
1977 -30.1 % change on previous year +377.6%
1978 -64.59 % change on previous year +114.6%
1979 -13.46 % change on previous year -79.2%
1980 41.6 % change on previous year -409.0%
1981 -12.19 % change on previous year -129.3%
1982 -69.59 % change on previous year +470.7%
1983 41.9 % change on previous year -160.2%
1984 78.86 % change on previous year +88.2%
1985 -44.12 % change on previous year -155.9%
1986 -39.48 % change on previous year -10.5%
1987 154.78 % change on previous year -492.1%
1988 -66.95 % change on previous year -143.3%
1989 -3.23 % change on previous year -95.2%
1990 -38.69 % change on previous year +1096.7%
1991 44.29 % change on previous year -214.5%
1992 -39.71 % change on previous year -189.7%
1993 -51.11 % change on previous year +28.7%
1994 -83.88 % change on previous year +64.1%
1995 110.26 % change on previous year -231.4%
1996 8.54 % change on previous year -92.3%
1997 122.47 % change on previous year +1334.7%
2001 21.95 % change on previous year -82.1%
2002 61.5 % change on previous year +180.2%
2003 -64.71 % change on previous year -205.2%
2004 100 % change on previous year -254.5%
2005 -43.42 % change on previous year -143.4%
2006 -57.36 % change on previous year +32.1%
2007 47.27 % change on previous year -182.4%
2008 29.63 % change on previous year -37.3%
2009 -20.95 % change on previous year -170.7%
2010 -7.23 % change on previous year -65.5%
2011 -7.79 % change on previous year +7.8%
2013 -50.61 % change on previous year +549.5%
2014 76.65 % change on previous year -251.5%
2015 12.51 % change on previous year -83.7%
2016 117.88 % change on previous year +841.9%
2017 -48.43 % change on previous year -141.1%
2018 -4.9 % change on previous year -89.9%
2019 259.63 % change on previous year -5395.5%
2020 -35.35 % change on previous year -113.6%
2021 -96.65 % change on previous year +173.4%
2022 -35 % change on previous year -63.8%
2024 -35.8 % change on previous year +2.3%
2025 -89.02 % change on previous year +148.7%

Averages by decade

DecadeAverage LowestHighest Years
1970s -28.61 % change on previous year -64.59 % change on previous year -6.3 % change on previous year 4
1980s 8.16 % change on previous year -69.59 % change on previous year 154.78 % change on previous year 10
1990s 9.02 % change on previous year -83.88 % change on previous year 122.47 % change on previous year 8
2000s 8.21 % change on previous year -64.71 % change on previous year 100 % change on previous year 9
2010s 38.63 % change on previous year -50.61 % change on previous year 259.63 % change on previous year 9
2020s -58.37 % change on previous year -96.65 % change on previous year -35 % change on previous year 5

Countries ranked near Denmark

  1. 91 Georgia -88.04 % change on previous year compare
  2. 92 Kuwait -88.37 % change on previous year compare
  3. 93 South Korea -88.65 % change on previous year compare
  4. 95 Kyrgyzstan -89.08 % change on previous year compare
  5. 96 Czechia -90.12 % change on previous year compare
  6. 97 Thailand -90.67 % change on previous year compare

See the full ranking of 204 places →

More health data for Denmark

All data for Denmark →

Frequently asked questions

What is pertussis - number of reported cases, annual growth rate in Denmark?
Pertussis - number of reported cases, annual growth rate in Denmark was -89.02 % change on previous year in 2025, according to Statizoid (derived).
What is the highest pertussis - number of reported cases, annual growth rate recorded in Denmark?
The highest recorded value was 259.63 % change on previous year in 2019.
What is the lowest pertussis - number of reported cases, annual growth rate recorded in Denmark?
The lowest recorded value was -96.65 % change on previous year in 2021.
How does Denmark rank for pertussis - number of reported cases, annual growth rate?
Denmark ranks 94th out of 191 countries with data for 2025.
Is pertussis - number of reported cases, annual growth rate rising or falling in Denmark?
Over the last ten years it is down 811.4%. The long-run trend across the full record is volatile.
Where does this Denmark data come from?
The figures come from Statizoid (derived), published as part of Pertussis - number of reported cases, annual growth rate. Statizoid updates them automatically from the source API.

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Pertussis - number of reported cases, annual growth rate in Denmark. Statizoid, drawing on Statizoid (derived). Retrieved 01 September 2026, from https://health.statizoid.com/stat/pertussis-number-of-reported-cases-annual-growth-rate/denmark/

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How this figure is calculated

The year-on-year percentage change in Pertussis - number of reported cases. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.

Computed from

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

Indicator
Pertussis - number of reported cases, annual growth rate
Unit
% change on previous year
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
204 places, 6,283 data points, 1975–2025
Last refreshed

The year-on-year percentage change in Pertussis - number of reported cases. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.