Chad vs South-East Asia (WHO region): Pertussis - number of reported cases, gaps filled

Chad
5,898
in 1998
South-East Asia (WHO region)
2,449
in 2025
Chad rank
9th
South-East Asia (WHO region) rank
11th

Pertussis - number of reported cases, gaps filled over time

  • Chad
  • South-East Asia (WHO region)
0100.0k200.0k300.0k400.0k197419992025

How they compare

Chad currently reports 5,898 against 2,449 in South-East Asia (WHO region), a difference of 3,449.

That makes Chad's figure about 2.4 times South-East Asia (WHO region)'s.

Across all 11 years both countries report, South-East Asia (WHO region) has been ahead every year.

Chad ranks 9th and South-East Asia (WHO region) ranks 11th of 210 countries.

South-East Asia (WHO region) has averaged higher in every one of the 2 decades both report.

Head to head by decade

Decade Chad South-East Asia (WHO region) Difference Ahead
1980s 1,573 296,752 295,179 South-East Asia (WHO region)
1990s 5,536 28,456 22,920 South-East Asia (WHO region)

Averages of every year both report within each decade.

Frequently asked questions

Which has higher pertussis - number of reported cases, gaps filled, Chad or South-East Asia (WHO region)?
Chad, at 5,898 against 2,449 in South-East Asia (WHO region) as of 1998.
What is the difference in pertussis - number of reported cases, gaps filled between Chad and South-East Asia (WHO region)?
3,449, with Chad ahead.
How many years of comparable data are there for Chad and South-East Asia (WHO region)?
11 years are reported by both, from 1980 to 1998.
How do Chad and South-East Asia (WHO region) rank globally for pertussis - number of reported cases, gaps filled?
Chad ranks 9th and South-East Asia (WHO region) ranks 11th 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 South-East Asia (WHO region): Pertussis - number of reported cases, gaps filled. Statizoid, drawing on Statizoid (derived). Retrieved 15 September 2026, from https://health.statizoid.com/compare/pertussis-number-of-reported-cases-gaps-filled/chad/south-east-asia-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.