Pertussis - number of reported cases, per square kilometre in Kenya

Kenya: Pertussis - number of reported cases, per square kilometre was 0 units per square kilometre in 2021. ◆ Volatile

Latest (2021)
0 units per square kilometre
Change on year
up 380.1%
World rank
113th
of 204 countries
All-time high
0.2406 units per square kilometre
in 1991
All-time low
0 units per square kilometre
in 2003
Years of data
29
1974–2021

Pertussis - number of reported cases, per square kilometre in Kenya, 1974–2021

00.050.10.150.20.251974199720211974: 0.021 units per square kilometre1975: 0.026 units per square kilometre1976: 0.018 units per square kilometre1977: 0.022 units per square kilometre1978: 0.021 units per square kilometre1979: 0.04 units per square kilometre1980: 0.023 units per square kilometre1981: 0.088 units per square kilometre1982: 0.138 units per square kilometre1983: 0.117 units per square kilometre1984: 0.081 units per square kilometre1985: 0.032 units per square kilometre1986: 0.054 units per square kilometre1987: 0.021 units per square kilometre1988: 0.001 units per square kilometre1989: 0.016 units per square kilometre1990: 0.013 units per square kilometre1991: 0.241 units per square kilometre1995: 0 units per square kilometre1997: 0 units per square kilometre1998: 0.001 units per square kilometre1999: 0 units per square kilometre2000: 0.001 units per square kilometre2001: 0.001 units per square kilometre2002: 0.001 units per square kilometre2003: 0 units per square kilometre2016: 0 units per square kilometre2018: 0 units per square kilometre2021: 0 units per square kilometre

Source: Statizoid (derived). Measured in units per square kilometre.

Analysis

Kenya recorded 0 units per square kilometre for pertussis - number of reported cases, per square kilometre in 2021.

The figure is up 380.1% on the previous year and up 853.6% over ten years.

Over the whole period, pertussis - number of reported cases, per square kilometre in Kenya peaked at 0.2406 units per square kilometre in 1991 and was at its lowest, 0 units per square kilometre, in 2003.

Kenya ranks 113th of 204 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, per square kilometre in Kenya, year by year

Annual values for Pertussis - number of reported cases, per square kilometre in Kenya, 1974 to 2021.
Year units per square kilometre Change
1974 0.0214 units per square kilometre
1975 0.0264 units per square kilometre +23.5%
1976 0.018 units per square kilometre -31.7%
1977 0.0224 units per square kilometre +24.4%
1978 0.0214 units per square kilometre -4.4%
1979 0.0396 units per square kilometre +84.9%
1980 0.0233 units per square kilometre -41.1%
1981 0.0877 units per square kilometre +275.7%
1982 0.1379 units per square kilometre +57.3%
1983 0.117 units per square kilometre -15.1%
1984 0.0812 units per square kilometre -30.7%
1985 0.0315 units per square kilometre -61.1%
1986 0.0537 units per square kilometre +70.4%
1987 0.0211 units per square kilometre -60.8%
1988 0.0007 units per square kilometre -96.5%
1989 0.0159 units per square kilometre +2041.0%
1990 0.013 units per square kilometre -18.1%
1991 0.2406 units per square kilometre +1749.1%
1995 0.0001 units per square kilometre -100.0%
1997 0.0001 units per square kilometre +8.6%
1998 0.0005 units per square kilometre +360.3%
1999 0.0003 units per square kilometre -37.9%
2000 0.0007 units per square kilometre +135.6%
2001 0.0005 units per square kilometre -32.8%
2002 0.0005 units per square kilometre +5.3%
2003 0 units per square kilometre -100.0%
2016 0 units per square kilometre
2018 0 units per square kilometre +98.6%
2021 0 units per square kilometre +380.1%

Averages by decade

DecadeAverage LowestHighest Years
1970s 0.0249 units per square kilometre 0.018 units per square kilometre 0.0396 units per square kilometre 6
1980s 0.057 units per square kilometre 0.0007 units per square kilometre 0.1379 units per square kilometre 10
1990s 0.0424 units per square kilometre 0.0001 units per square kilometre 0.2406 units per square kilometre 6
2000s 0.0004 units per square kilometre 0 units per square kilometre 0.0007 units per square kilometre 4
2010s 0 units per square kilometre 0 units per square kilometre 0 units per square kilometre 2
2020s 0 units per square kilometre 0 units per square kilometre 0 units per square kilometre 1

Countries ranked near Kenya

  1. 110 Sudan 0.0001 units per square kilometre compare
  2. 111 Jordan 0.0001 units per square kilometre compare
  3. 112 Cambodia 0.0001 units per square kilometre compare
  4. 114 Colombia 0 units per square kilometre compare
  5. 115 Sri Lanka 0 units per square kilometre compare
  6. 116 Saudi Arabia 0 units per square kilometre compare

See the full ranking of 205 places →

More health data for Kenya

All data for Kenya →

Frequently asked questions

What is pertussis - number of reported cases, per square kilometre in Kenya?
Pertussis - number of reported cases, per square kilometre in Kenya was 0 units per square kilometre in 2021, according to Statizoid (derived).
What is the highest pertussis - number of reported cases, per square kilometre recorded in Kenya?
The highest recorded value was 0.2406 units per square kilometre in 1991.
What is the lowest pertussis - number of reported cases, per square kilometre recorded in Kenya?
The lowest recorded value was 0 units per square kilometre in 2003.
How does Kenya rank for pertussis - number of reported cases, per square kilometre?
Kenya ranks 113th out of 204 countries with data for 2021.
Is pertussis - number of reported cases, per square kilometre rising or falling in Kenya?
Over the last ten years it is up 853.6%. The long-run trend across the full record is volatile.
Where does this Kenya data come from?
The figures come from Statizoid (derived), published as part of Pertussis - number of reported cases, per square kilometre. Statizoid updates them automatically from the source API.

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Pertussis - number of reported cases, per square kilometre in Kenya. Statizoid, drawing on Statizoid (derived). Retrieved 11 September 2026, from https://health.statizoid.com/stat/pertussis-number-of-reported-cases-per-square-kilometre/kenya/

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How this figure is calculated

Pertussis - number of reported cases divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.

Pertussis - number of reported cases ÷ Land area (sq. km)

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, per square kilometre
Unit
units per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
205 places, 7,899 data points, 1974–2023
Last refreshed

Pertussis - number of reported cases divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.