Chad vs Eastern Mediterranean (WHO region): Pertussis - number of reported cases, gaps filled

Chad
5,898
in 1998
Eastern Mediterranean (WHO region)
14,992
in 2025
Chad rank
9th
Eastern Mediterranean (WHO region) rank
8th

Pertussis - number of reported cases, gaps filled over time

  • Chad
  • Eastern Mediterranean (WHO region)
050.0k100.0k150.0k200.0k197419992025

How they compare

Eastern Mediterranean (WHO region) currently reports 14,992 against 5,898 in Chad, a difference of 9,094.

That makes Eastern Mediterranean (WHO region)'s figure about 2.5 times Chad's.

The two have swapped places 1 time across 11 shared years of data; in 1980 it was Eastern Mediterranean (WHO region) ahead.

Chad ranks 9th and Eastern Mediterranean (WHO region) ranks 8th of 210 countries.

Across the 2 decades both report, Chad averaged higher in 1 and Eastern Mediterranean (WHO region) in 1.

Head to head by decade

Decade Chad Eastern Mediterranean (WHO region) Difference Ahead
1980s 1,573 137,919 136,347 Eastern Mediterranean (WHO region)
1990s 5,536 3,504 2,032 Chad

Averages of every year both report within each decade.

Frequently asked questions

Which has higher pertussis - number of reported cases, gaps filled, Chad or Eastern Mediterranean (WHO region)?
Eastern Mediterranean (WHO region), at 14,992 against 5,898 in Chad as of 2025.
What is the difference in pertussis - number of reported cases, gaps filled between Chad and Eastern Mediterranean (WHO region)?
9,094, with Eastern Mediterranean (WHO region) ahead.
How many years of comparable data are there for Chad and Eastern Mediterranean (WHO region)?
11 years are reported by both, from 1980 to 1998.
How do Chad and Eastern Mediterranean (WHO region) rank globally for pertussis - number of reported cases, gaps filled?
Chad ranks 9th and Eastern Mediterranean (WHO region) ranks 8th 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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Chad vs Eastern Mediterranean (WHO region): Pertussis - number of reported cases, gaps filled. Statizoid, drawing on Statizoid (derived). Retrieved 09 September 2026, from https://health.statizoid.com/compare/pertussis-number-of-reported-cases-gaps-filled/chad/eastern-mediterranean-who-region/

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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

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.