Pertussis - number of reported cases, annual growth rate in Iran, Islamic Republic of

Iran, Islamic Republic of: Pertussis - number of reported cases, annual growth rate was 126.85 % change on previous year in 2025. ◆ Volatile

Latest (2025)
126.85 % change on previous year
Change on year
down 68.5%
World rank
12th
of 191 countries
All-time high
883.33 % change on previous year
in 2022
All-time low
-99.33 % change on previous year
in 1976
Years of data
49
1975–2025

Pertussis - number of reported cases, annual growth rate in Iran, Islamic Republic of, 1975–2025

0200400600800197520002025

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

Analysis

In 2025, pertussis - number of reported cases, annual growth rate in Iran, Islamic Republic of stood at 126.85 % change on previous year.

Compared with earlier readings it is down 68.5% on the previous year and up 386.3% over ten years.

Over the whole period, pertussis - number of reported cases, annual growth rate in Iran, Islamic Republic of peaked at 883.33 % change on previous year in 2022 and was at its lowest, -99.33 % change on previous year, in 1976.

Iran, Islamic Republic of ranks 12th of 191 countries on this measure, in the top 10%.

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 Iran, Islamic Republic of, year by year

Annual values for Pertussis - number of reported cases, annual growth rate in Iran, Islamic Republic of, 1975 to 2025.
Year % change on previous year Change
1975 -4.94 % change on previous year
1976 -99.33 % change on previous year +1912.2%
1978 590.13 % change on previous year -694.1%
1979 -68.57 % change on previous year -111.6%
1980 60.74 % change on previous year -188.6%
1981 10.42 % change on previous year -82.8%
1982 33.01 % change on previous year +216.7%
1983 -49.74 % change on previous year -250.7%
1984 -12.47 % change on previous year -74.9%
1985 -12.59 % change on previous year +1.0%
1986 -32.03 % change on previous year +154.5%
1987 -21.79 % change on previous year -32.0%
1988 -45.66 % change on previous year +109.6%
1989 -18.88 % change on previous year -58.7%
1990 -54.43 % change on previous year +188.3%
1991 -48.94 % change on previous year -10.1%
1992 -44.27 % change on previous year -9.6%
1993 -90.29 % change on previous year +104.0%
1994 -55.88 % change on previous year -38.1%
1995 200 % change on previous year -457.9%
1996 77.78 % change on previous year -61.1%
1997 -37.5 % change on previous year -148.2%
1998 -60 % change on previous year +60.0%
1999 20 % change on previous year -133.3%
2000 291.67 % change on previous year +1358.3%
2001 19.15 % change on previous year -93.4%
2002 -81.25 % change on previous year -524.3%
2003 285.71 % change on previous year -451.6%
2004 20.99 % change on previous year -92.7%
2005 27.55 % change on previous year +31.3%
2006 -28.8 % change on previous year -204.5%
2007 200 % change on previous year -794.4%
2008 126.59 % change on previous year -36.7%
2009 -2.48 % change on previous year -102.0%
2010 -21.36 % change on previous year +761.4%
2011 40.09 % change on previous year -287.7%
2012 104.46 % change on previous year +160.6%
2013 6.47 % change on previous year -93.8%
2014 -91.87 % change on previous year -1519.8%
2015 26.09 % change on previous year -128.4%
2016 -20 % change on previous year -176.7%
2017 -87.93 % change on previous year +339.7%
2019 -27.76 % change on previous year -68.4%
2020 -83.06 % change on previous year +199.2%
2021 -85.37 % change on previous year +2.8%
2022 883.33 % change on previous year -1134.8%
2023 -27.12 % change on previous year -103.1%
2024 402.33 % change on previous year -1583.6%
2025 126.85 % change on previous year -68.5%

Averages by decade

DecadeAverage LowestHighest Years
1970s 104.33 % change on previous year -99.33 % change on previous year 590.13 % change on previous year 4
1980s -8.9 % change on previous year -49.74 % change on previous year 60.74 % change on previous year 10
1990s -9.35 % change on previous year -90.29 % change on previous year 200 % change on previous year 10
2000s 85.91 % change on previous year -81.25 % change on previous year 291.67 % change on previous year 10
2010s -7.98 % change on previous year -91.87 % change on previous year 104.46 % change on previous year 9
2020s 202.83 % change on previous year -85.37 % change on previous year 883.33 % change on previous year 6

Countries ranked near Iran, Islamic Republic of

  1. 9 Liberia 189.31 % change on previous year compare
  2. 10 Mauritania 173.37 % change on previous year compare
  3. 11 Uruguay 171.43 % change on previous year compare
  4. 13 Bermuda 100 % change on previous year compare
  5. 13 Namibia 100 % change on previous year compare
  6. 15 Peru 90.91 % change on previous year compare

See the full ranking of 204 places →

More health data for Iran, Islamic Republic of

All data for Iran, Islamic Republic of →

Frequently asked questions

What is pertussis - number of reported cases, annual growth rate in Iran, Islamic Republic of?
Pertussis - number of reported cases, annual growth rate in Iran, Islamic Republic of was 126.85 % change on previous year in 2025, according to Statizoid (derived).
What is the highest pertussis - number of reported cases, annual growth rate recorded in Iran, Islamic Republic of?
The highest recorded value was 883.33 % change on previous year in 2022.
What is the lowest pertussis - number of reported cases, annual growth rate recorded in Iran, Islamic Republic of?
The lowest recorded value was -99.33 % change on previous year in 1976.
How does Iran, Islamic Republic of rank for pertussis - number of reported cases, annual growth rate?
Iran, Islamic Republic of ranks 12th out of 191 countries with data for 2025.
Is pertussis - number of reported cases, annual growth rate rising or falling in Iran, Islamic Republic of?
Over the last ten years it is up 386.3%. The long-run trend across the full record is volatile.
Where does this Iran, Islamic Republic of 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 Iran, Islamic Republic of. Statizoid, drawing on Statizoid (derived). Retrieved 03 September 2026, from https://health.statizoid.com/stat/pertussis-number-of-reported-cases-annual-growth-rate/iran-islamic-rep/

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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.