How many years of comparable data are there for Nigeria and Yemen?

32 years are reported by both, from 1974 to 2013.

Where does this data come from?

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

Nigeria vs Yemen: Pertussis - number of reported cases, gaps filled

Nigeria

7,897

in 2018

Yemen

10,754

in 2025

Nigeria rank

6th

Yemen rank

5th

Pertussis - number of reported cases, gaps filled over time

Nigeria
Yemen

How they compare

Yemen currently reports 10,754 against 7,897 in Nigeria, a difference of 2,857.

That makes Yemen's figure about 1.4 times Nigeria's.

The two have swapped places 2 times across 32 shared years of data; in 1974 it was Nigeria ahead.

Nigeria ranks 6th and Yemen ranks 5th of 210 countries.

Nigeria has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade	Nigeria	Yemen	Difference	Ahead
1970s	41,683	7,069	34,614	Nigeria
1980s	57,076	18,163	38,913	Nigeria
1990s	25,562	6,075	19,488	Nigeria
2000s	12,446	2,243	10,203	Nigeria
2010s	6,450	3,010	3,439	Nigeria

Averages of every year both report within each decade.

Frequently asked questions

Which has higher pertussis - number of reported cases, gaps filled, Nigeria or Yemen?: Yemen, at 10,754 against 7,897 in Nigeria as of 2025.
What is the difference in pertussis - number of reported cases, gaps filled between Nigeria and Yemen?: 2,857, with Yemen ahead.
How many years of comparable data are there for Nigeria and Yemen?: 32 years are reported by both, from 1974 to 2013.
How do Nigeria and Yemen rank globally for pertussis - number of reported cases, gaps filled?: Nigeria ranks 6th and Yemen ranks 5th of 210 countries.
Where does this data come from?: Statizoid (derived), published as Pertussis - number of reported cases, gaps filled. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Nigeria vs Yemen: Pertussis - number of reported cases, gaps filled. Statizoid, drawing on Statizoid (derived). Retrieved 08 September 2026, from https://health.statizoid.com/compare/pertussis-number-of-reported-cases-gaps-filled/nigeria/yemen-rep/

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About this data

Indicator: Pertussis - number of reported cases, gaps filled
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 223 places, 9,846 data points, 1974–2025
Last refreshed: 01 September 2026

Pertussis - number of reported cases with 623 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.