Pertussis - number of reported cases, annual growth rate in Upper-middle income (World Bank)

Upper-middle income (World Bank): Pertussis - number of reported cases, annual growth rate was -87.69 % change on previous year in 2025. ◆ Volatile

Latest (2025)
-87.69 % change on previous year
Change on year
down 110.2%
Rank
11th
of 11 groups
All-time high
863.42 % change on previous year
in 2024
All-time low
-87.69 % change on previous year
in 2025
Years of data
51
1975–2025

Pertussis - number of reported cases, annual growth rate in Upper-middle income (World Bank), 1975–2025

0200400600800197520002025

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

Analysis

In 2025, pertussis - number of reported cases, annual growth rate in Upper-middle income (World Bank) stood at -87.69 % change on previous year. That is the lowest value across all 51 years on record.

Compared with earlier readings it is down 110.2% on the previous year and down 1,128.0% over ten years.

Over the whole period, pertussis - number of reported cases, annual growth rate in Upper-middle income (World Bank) peaked at 863.42 % change on previous year in 2024 and was at its lowest, -87.69 % change on previous year, in 2025.

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 Upper-middle income (World Bank), year by year

Annual values for Pertussis - number of reported cases, annual growth rate in Upper-middle income (World Bank), 1975 to 2025.
Year % change on previous year Change
1975 3.93 % change on previous year
1976 -22.32 % change on previous year -668.4%
1977 10.98 % change on previous year -149.2%
1978 -15.8 % change on previous year -243.8%
1979 -30.75 % change on previous year +94.6%
1980 -9.27 % change on previous year -69.8%
1981 -17.42 % change on previous year +87.9%
1982 -15.69 % change on previous year -10.0%
1983 -18.67 % change on previous year +19.0%
1984 -27.74 % change on previous year +48.6%
1985 -25.69 % change on previous year -7.4%
1986 -30.4 % change on previous year +18.3%
1987 -28.62 % change on previous year -5.8%
1988 -16.46 % change on previous year -42.5%
1989 3.65 % change on previous year -122.2%
1990 -23.91 % change on previous year -754.9%
1991 -35.74 % change on previous year +49.4%
1992 -5.13 % change on previous year -85.6%
1993 -14.85 % change on previous year +189.3%
1994 -8.84 % change on previous year -40.5%
1995 -35.37 % change on previous year +300.0%
1996 -35.59 % change on previous year +0.6%
1997 46.13 % change on previous year -229.6%
1998 -25.91 % change on previous year -156.2%
1999 -21.19 % change on previous year -18.2%
2000 -8.96 % change on previous year -57.7%
2001 28.94 % change on previous year -423.1%
2002 -33.53 % change on previous year -215.9%
2003 -15.76 % change on previous year -53.0%
2004 800.91 % change on previous year -5183.0%
2005 -77.36 % change on previous year -109.7%
2006 -24.68 % change on previous year -68.1%
2007 -34.7 % change on previous year +40.6%
2008 22.02 % change on previous year -163.5%
2009 7.34 % change on previous year -66.7%
2010 -40.15 % change on previous year -646.8%
2011 127.23 % change on previous year -416.9%
2012 24.5 % change on previous year -80.7%
2013 42.94 % change on previous year +75.2%
2014 -37.1 % change on previous year -186.4%
2015 -7.14 % change on previous year -80.8%
2016 -6.97 % change on previous year -2.4%
2017 31.38 % change on previous year -550.0%
2018 62.62 % change on previous year +99.5%
2019 11.31 % change on previous year -81.9%
2020 -81.38 % change on previous year -819.7%
2021 40.36 % change on previous year -149.6%
2022 277.12 % change on previous year +586.6%
2023 30.97 % change on previous year -88.8%
2024 863.42 % change on previous year +2687.8%
2025 -87.69 % change on previous year -110.2%

Averages by decade

DecadeAverage LowestHighest Years
1970s -10.79 % change on previous year -30.75 % change on previous year 10.98 % change on previous year 5
1980s -18.63 % change on previous year -30.4 % change on previous year 3.65 % change on previous year 10
1990s -16.04 % change on previous year -35.74 % change on previous year 46.13 % change on previous year 10
2000s 66.42 % change on previous year -77.36 % change on previous year 800.91 % change on previous year 10
2010s 20.86 % change on previous year -40.15 % change on previous year 127.23 % change on previous year 10
2020s 173.8 % change on previous year -87.69 % change on previous year 863.42 % change on previous year 6

Countries ranked near Upper-middle income (World Bank)

  1. 8 Argentina 208.67 % change on previous year compare
  2. 9 Liberia 189.31 % change on previous year compare
  3. 10 Mauritania 173.37 % change on previous year compare
  4. 11 Uruguay 171.43 % change on previous year compare
  5. 12 Iran, Islamic Republic of 126.85 % change on previous year compare
  6. 13 Bermuda 100 % change on previous year compare
  7. 13 Namibia 100 % change on previous year compare

See the full ranking of 204 places →

More health data for Upper-middle income (World Bank)

All data for Upper-middle income (World Bank) →

Frequently asked questions

What is pertussis - number of reported cases, annual growth rate in Upper-middle income (World Bank)?
Pertussis - number of reported cases, annual growth rate in Upper-middle income (World Bank) was -87.69 % change on previous year in 2025, according to Statizoid (derived).
What is the highest pertussis - number of reported cases, annual growth rate recorded in Upper-middle income (World Bank)?
The highest recorded value was 863.42 % change on previous year in 2024.
What is the lowest pertussis - number of reported cases, annual growth rate recorded in Upper-middle income (World Bank)?
The lowest recorded value was -87.69 % change on previous year in 2025.
How does Upper-middle income (World Bank) rank for pertussis - number of reported cases, annual growth rate?
Upper-middle income (World Bank) ranks 11th out of 11 groups with data for 2025.
Is pertussis - number of reported cases, annual growth rate rising or falling in Upper-middle income (World Bank)?
Over the last ten years it is down 1,128.0%. The long-run trend across the full record is volatile.
Where does this Upper-middle income (World Bank) 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 Upper-middle income (World Bank). Statizoid, drawing on Statizoid (derived). Retrieved 11 September 2026, from https://health.statizoid.com/stat/pertussis-number-of-reported-cases-annual-growth-rate/upper-middle-income-world-bank/

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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.