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

0 units per person, with Chad ahead.

How many years of comparable data are there for Chad and Norway?

13 years are reported by both, from 1974 to 1997.

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.

Chad vs Norway: Pertussis - number of reported cases, per capita

Chad

0.0007 units per person

in 1998

Norway

0.0007 units per person

in 2025

Chad rank

6th

Norway rank

8th

Pertussis - number of reported cases, per capita over time

Chad
Norway

How they compare

Chad currently reports 0.0007 units per person against 0.0007 units per person in Norway, a difference of 0 units per person.

The two have swapped places 4 times across 13 shared years of data; in 1974 it was Chad ahead.

Chad ranks 6th and Norway ranks 8th of 204 countries.

Across the 3 decades both report, Chad averaged higher in 2 and Norway in 1.

Head to head by decade

Decade	Chad	Norway	Difference	Ahead
1970s	0.0016 units per person	0.0004 units per person	0.0012 units per person	Chad
1980s	0.0004 units per person	0.0004 units per person	0.0001 units per person	Norway
1990s	0.0007 units per person	0.0002 units per person	0.0006 units per person	Chad

Averages of every year both report within each decade.

Frequently asked questions

Which has higher pertussis - number of reported cases, per capita, Chad or Norway?: Chad, at 0.0007 units per person against 0.0007 units per person in Norway as of 1998.
What is the difference in pertussis - number of reported cases, per capita between Chad and Norway?: 0 units per person, with Chad ahead.
How many years of comparable data are there for Chad and Norway?: 13 years are reported by both, from 1974 to 1997.
How do Chad and Norway rank globally for pertussis - number of reported cases, per capita?: Chad ranks 6th and Norway ranks 8th 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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Chad vs Norway: Pertussis - number of reported cases, per capita. Statizoid, drawing on Statizoid (derived). Retrieved 01 September 2026, from https://health.statizoid.com/compare/pertussis-number-of-reported-cases-per-capita/chad/norway/

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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.