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

Iceland: Pertussis - number of reported cases, annual growth rate was -91.46 % change on previous year in 2025. ◆ Volatile

Latest (2025)
-91.46 % change on previous year
World rank
102nd
of 191 countries
All-time high
925 % change on previous year
in 1994
All-time low
-100 % change on previous year
in 2009
Years of data
39
1975–2025

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

02505007501.0k1975200020251975: 155.6 % change on previous year1976: -34.1 % change on previous year1977: -36.3 % change on previous year1978: 303.4 % change on previous year1979: 141.9 % change on previous year1980: -92.8 % change on previous year1981: -36.6 % change on previous year1982: 892.3 % change on previous year1983: 107.4 % change on previous year1984: -89 % change on previous year1985: -72.9 % change on previous year1986: 118.8 % change on previous year1987: 362.9 % change on previous year1988: -67.3 % change on previous year1989: -64.2 % change on previous year1990: -84.2 % change on previous year1992: -97.1 % change on previous year1993: 0 % change on previous year1994: 925 % change on previous year1995: -34.1 % change on previous year1996: 270.4 % change on previous year1997: -53 % change on previous year2001: -62.5 % change on previous year2004: -66.7 % change on previous year2005: 500 % change on previous year2006: -50 % change on previous year2007: 33.3 % change on previous year2008: -50 % change on previous year2009: -100 % change on previous year2013: -13.9 % change on previous year2014: -96.8 % change on previous year2015: 300 % change on previous year2016: 250 % change on previous year2017: 35.7 % change on previous year2018: -21.1 % change on previous year2019: -46.7 % change on previous year2020: -62.5 % change on previous year2021: -100 % change on previous year2025: -91.5 % change on previous year

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

Analysis

Iceland recorded -91.46 % change on previous year for pertussis - number of reported cases, annual growth rate in 2025.

That represents a change of down 130.5% over ten years.

Over the whole period, pertussis - number of reported cases, annual growth rate in Iceland peaked at 925 % change on previous year in 1994 and was at its lowest, -100 % change on previous year, in 2009.

That places Iceland 102nd 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 Iceland, year by year

Annual values for Pertussis - number of reported cases, annual growth rate in Iceland, 1975 to 2025.
Year % change on previous year Change
1975 155.56 % change on previous year
1976 -34.06 % change on previous year -121.9%
1977 -36.26 % change on previous year +6.5%
1978 303.45 % change on previous year -936.8%
1979 141.88 % change on previous year -53.2%
1980 -92.76 % change on previous year -165.4%
1981 -36.59 % change on previous year -60.6%
1982 892.31 % change on previous year -2539.0%
1983 107.36 % change on previous year -88.0%
1984 -88.97 % change on previous year -182.9%
1985 -72.88 % change on previous year -18.1%
1986 118.75 % change on previous year -262.9%
1987 362.86 % change on previous year +205.6%
1988 -67.28 % change on previous year -118.5%
1989 -64.15 % change on previous year -4.7%
1990 -84.21 % change on previous year +31.3%
1992 -97.08 % change on previous year +15.3%
1993 0 % change on previous year -100.0%
1994 925 % change on previous year
1995 -34.15 % change on previous year -103.7%
1996 270.37 % change on previous year -891.8%
1997 -53 % change on previous year -119.6%
2001 -62.5 % change on previous year +17.9%
2004 -66.67 % change on previous year +6.7%
2005 500 % change on previous year -850.0%
2006 -50 % change on previous year -110.0%
2007 33.33 % change on previous year -166.7%
2008 -50 % change on previous year -250.0%
2009 -100 % change on previous year +100.0%
2013 -13.89 % change on previous year -86.1%
2014 -96.77 % change on previous year +596.8%
2015 300 % change on previous year -410.0%
2016 250 % change on previous year -16.7%
2017 35.71 % change on previous year -85.7%
2018 -21.05 % change on previous year -158.9%
2019 -46.67 % change on previous year +121.7%
2020 -62.5 % change on previous year +33.9%
2021 -100 % change on previous year +60.0%
2025 -91.46 % change on previous year -8.5%

Averages by decade

DecadeAverage LowestHighest Years
1970s 106.11 % change on previous year -36.26 % change on previous year 303.45 % change on previous year 5
1980s 105.86 % change on previous year -92.76 % change on previous year 892.31 % change on previous year 10
1990s 132.42 % change on previous year -97.08 % change on previous year 925 % change on previous year 7
2000s 29.17 % change on previous year -100 % change on previous year 500 % change on previous year 7
2010s 58.19 % change on previous year -96.77 % change on previous year 300 % change on previous year 7
2020s -84.65 % change on previous year -100 % change on previous year -62.5 % change on previous year 3

Countries ranked near Iceland

  1. 99 Canada -91.1 % change on previous year compare
  2. 100 Cyprus -91.18 % change on previous year compare
  3. 101 Dominican Republic -91.3 % change on previous year compare
  4. 103 China -93 % change on previous year compare
  5. 104 Belgium -93.44 % change on previous year compare
  6. 105 Guinea -94.29 % change on previous year compare

See the full ranking of 204 places →

More health data for Iceland

All data for Iceland →

Frequently asked questions

What is pertussis - number of reported cases, annual growth rate in Iceland?
Pertussis - number of reported cases, annual growth rate in Iceland was -91.46 % change on previous year in 2025, according to Statizoid (derived).
What is the highest pertussis - number of reported cases, annual growth rate recorded in Iceland?
The highest recorded value was 925 % change on previous year in 1994.
What is the lowest pertussis - number of reported cases, annual growth rate recorded in Iceland?
The lowest recorded value was -100 % change on previous year in 2009.
How does Iceland rank for pertussis - number of reported cases, annual growth rate?
Iceland ranks 102nd out of 191 countries with data for 2025.
Is pertussis - number of reported cases, annual growth rate rising or falling in Iceland?
Over the last ten years it is down 130.5%. The long-run trend across the full record is volatile.
Where does this Iceland 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 Iceland. Statizoid, drawing on Statizoid (derived). Retrieved 01 September 2026, from https://health.statizoid.com/stat/pertussis-number-of-reported-cases-annual-growth-rate/iceland/

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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.