Congo vs Sierra Leone: Pertussis - number of reported cases

Congo
0
in 2025
Sierra Leone
0
in 2025
Congo rank
137th
Sierra Leone rank
137th

Pertussis - number of reported cases over time

  • Congo
  • Sierra Leone
02.5k5.0k7.5k10.0k197419992025

How they compare

Congo currently reports 0 against 0 in Sierra Leone, a difference of 0.

The two have swapped places 11 times across 17 shared years of data; in 1979 it was Congo ahead.

Congo ranks 137th and Sierra Leone ranks 137th of 210 countries.

Across the 6 decades both report, Congo averaged higher in 5 and Sierra Leone in 1.

Head to head by decade

Decade Congo Sierra Leone Difference Ahead
1970s 4,345 1,425 2,920 Congo
1980s 2,108 1,160 948.89 Congo
1990s 8 0 8 Congo
2000s 18.33 0 18.33 Congo
2010s 0 23 23 Sierra Leone
2020s 4 0 4 Congo

Averages of every year both report within each decade.

Frequently asked questions

Which has higher pertussis - number of reported cases, Congo or Sierra Leone?
Congo, at 0 against 0 in Sierra Leone as of 2025.
What is the difference in pertussis - number of reported cases between Congo and Sierra Leone?
0, with Congo ahead.
How many years of comparable data are there for Congo and Sierra Leone?
17 years are reported by both, from 1979 to 2025.
How do Congo and Sierra Leone rank globally for pertussis - number of reported cases?
Congo ranks 137th and Sierra Leone ranks 137th of 210 countries.
Where does this data come from?
World Health Organization, Global Health Observatory, published as Pertussis - number of reported cases. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Congo vs Sierra Leone: Pertussis - number of reported cases. Statizoid, drawing on World Health Organization, Global Health Observatory. Retrieved 25 August 2026, from https://health.statizoid.com/compare/pertussis-number-of-reported-cases/congo-rep/sierra-leone/

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About this data

Indicator
Pertussis - number of reported cases
Source
World Health Organization, Global Health Observatory
Licence
CC BY-NC-SA 3.0 IGO (WHO)
Coverage
222 places, 9,189 data points, 1974–2025
Last refreshed