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

Congo: Pertussis - number of reported cases, annual growth rate was -76.47 % change on previous year in 2021. ◆ Volatile

Latest (2021)
-76.47 % change on previous year
World rank
71st
of 191 countries
All-time high
157.72 % change on previous year
in 1980
All-time low
-100 % change on previous year
in 2000
Years of data
26
1975–2021

Pertussis - number of reported cases, annual growth rate in Congo, 1975–2021

-10001002001975199820211975: -30.4 % change on previous year1976: 59 % change on previous year1977: 0.582 % change on previous year1978: -18.4 % change on previous year1979: -33.1 % change on previous year1980: 157.7 % change on previous year1981: -83.4 % change on previous year1982: -34.7 % change on previous year1983: -2.6 % change on previous year1984: 67.7 % change on previous year1985: -61 % change on previous year1986: -13.6 % change on previous year1987: -93 % change on previous year1988: 29.8 % change on previous year1989: -23 % change on previous year1990: 10.6 % change on previous year1991: 78.8 % change on previous year1996: -66.7 % change on previous year1997: -83.3 % change on previous year2000: -100 % change on previous year2002: 22.6 % change on previous year2003: -100 % change on previous year2007: -49.1 % change on previous year2008: -100 % change on previous year2014: -84.7 % change on previous year2021: -76.5 % change on previous year

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

Analysis

In 2021, pertussis - number of reported cases, annual growth rate in Congo stood at -76.47 % change on previous year.

Compared with earlier readings it is up 23.5% over ten years.

Over the whole period, pertussis - number of reported cases, annual growth rate in Congo peaked at 157.72 % change on previous year in 1980 and was at its lowest, -100 % change on previous year, in 2000.

Congo ranks 71st of 191 countries on this measure, 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 Congo, year by year

Annual values for Pertussis - number of reported cases, annual growth rate in Congo, 1975 to 2021.
Year % change on previous year Change
1975 -30.41 % change on previous year
1976 59 % change on previous year -294.0%
1977 0.582 % change on previous year -99.0%
1978 -18.36 % change on previous year -3255.6%
1979 -33.05 % change on previous year +80.0%
1980 157.72 % change on previous year -577.2%
1981 -83.42 % change on previous year -152.9%
1982 -34.73 % change on previous year -58.4%
1983 -2.56 % change on previous year -92.6%
1984 67.74 % change on previous year -2748.4%
1985 -61.03 % change on previous year -190.1%
1986 -13.6 % change on previous year -77.7%
1987 -92.95 % change on previous year +583.4%
1988 29.79 % change on previous year -132.0%
1989 -22.95 % change on previous year -177.0%
1990 10.64 % change on previous year -146.4%
1991 78.85 % change on previous year +641.2%
1996 -66.67 % change on previous year -184.6%
1997 -83.33 % change on previous year +25.0%
2000 -100 % change on previous year +20.0%
2002 22.58 % change on previous year -122.6%
2003 -100 % change on previous year -542.9%
2007 -49.07 % change on previous year -50.9%
2008 -100 % change on previous year +103.8%
2014 -84.67 % change on previous year -15.3%
2021 -76.47 % change on previous year -9.7%

Averages by decade

DecadeAverage LowestHighest Years
1970s -4.45 % change on previous year -33.05 % change on previous year 59 % change on previous year 5
1980s -5.6 % change on previous year -92.95 % change on previous year 157.72 % change on previous year 10
1990s -15.13 % change on previous year -83.33 % change on previous year 78.85 % change on previous year 4
2000s -65.3 % change on previous year -100 % change on previous year 22.58 % change on previous year 5
2010s -84.67 % change on previous year -84.67 % change on previous year -84.67 % change on previous year 1
2020s -76.47 % change on previous year -76.47 % change on previous year -76.47 % change on previous year 1

Countries ranked near Congo

  1. 68 Germany -71.25 % change on previous year compare
  2. 69 Malaysia -72.23 % change on previous year compare
  3. 70 Japan -74.48 % change on previous year compare
  4. 72 Russia -77.6 % change on previous year compare
  5. 73 Oman -77.97 % change on previous year compare
  6. 74 Lithuania -79.06 % change on previous year compare

See the full ranking of 204 places →

More health data for Congo

All data for Congo →

Frequently asked questions

What is pertussis - number of reported cases, annual growth rate in Congo?
Pertussis - number of reported cases, annual growth rate in Congo was -76.47 % change on previous year in 2021, according to Statizoid (derived).
What is the highest pertussis - number of reported cases, annual growth rate recorded in Congo?
The highest recorded value was 157.72 % change on previous year in 1980.
What is the lowest pertussis - number of reported cases, annual growth rate recorded in Congo?
The lowest recorded value was -100 % change on previous year in 2000.
How does Congo rank for pertussis - number of reported cases, annual growth rate?
Congo ranks 71st out of 191 countries with data for 2021.
Is pertussis - number of reported cases, annual growth rate rising or falling in Congo?
Over the last ten years it is up 23.5%. The long-run trend across the full record is volatile.
Where does this Congo 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 Congo. Statizoid, drawing on Statizoid (derived). Retrieved 01 September 2026, from https://health.statizoid.com/stat/pertussis-number-of-reported-cases-annual-growth-rate/congo-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.