What is the difference in pertussis - number of reported cases, per capita between Congo and Liberia?

0 units per person, with Congo ahead.

How many years of comparable data are there for Congo and Liberia?

29 years are reported by both, from 1974 to 2021.

Where does this data come from?

Statizoid (derived), published as Pertussis - number of reported cases, per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Congo vs Liberia: Pertussis - number of reported cases, per capita

Congo

0 units per person

in 2025

Liberia

0 units per person

in 2022

Congo rank

136th

Liberia rank

136th

Pertussis - number of reported cases, per capita over time

Congo
Liberia

How they compare

Congo currently reports 0 units per person against 0 units per person in Liberia, a difference of 0 units per person.

The two have swapped places 6 times across 29 shared years of data; in 1974 it was Congo ahead.

Congo ranks 136th and Liberia ranks 136th of 204 countries.

Across the 6 decades both report, Congo averaged higher in 3 and Liberia in 3.

Head to head by decade

Decade	Congo	Liberia	Difference	Ahead
1970s	0.0039 units per person	0.0007 units per person	0.0032 units per person	Congo
1980s	0.001 units per person	0.0002 units per person	0.0008 units per person	Congo
1990s	0 units per person	0.0001 units per person	0.0001 units per person	Liberia
2000s	0 units per person	0.0001 units per person	0.0001 units per person	Liberia
2010s	0 units per person	0 units per person	0 units per person	Liberia
2020s	0 units per person	0 units per person	0 units per person	Congo

Averages of every year both report within each decade.

Frequently asked questions

Which has higher pertussis - number of reported cases, per capita, Congo or Liberia?: Congo, at 0 units per person against 0 units per person in Liberia as of 2025.
What is the difference in pertussis - number of reported cases, per capita between Congo and Liberia?: 0 units per person, with Congo ahead.
How many years of comparable data are there for Congo and Liberia?: 29 years are reported by both, from 1974 to 2021.
How do Congo and Liberia rank globally for pertussis - number of reported cases, per capita?: Congo ranks 136th and Liberia ranks 136th of 204 countries.
Where does this data come from?: Statizoid (derived), published as Pertussis - number of reported cases, per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Congo vs Liberia: Pertussis - number of reported cases, per capita. Statizoid, drawing on Statizoid (derived). Retrieved 02 September 2026, from https://health.statizoid.com/compare/pertussis-number-of-reported-cases-per-capita/congo-rep/liberia/

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<a href="https://health.statizoid.com/compare/pertussis-number-of-reported-cases-per-capita/congo-rep/liberia/">Congo vs Liberia: Pertussis - number of reported cases, per capita</a> — Statizoid

About this data

Indicator: Pertussis - number of reported cases, per capita
Unit: units per person
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 205 places, 8,445 data points, 1974–2025
Last refreshed: 01 September 2026

Pertussis - number of reported cases divided by Population, total, matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.