Chad vs South Korea: Pertussis - number of reported cases, gaps filled

Chad
5,898
in 1998
South Korea
5,500
in 2025
Chad rank
9th
South Korea rank
12th

Pertussis - number of reported cases, gaps filled over time

  • Chad
  • South Korea
010.0k20.0k30.0k40.0k50.0k197419992025

How they compare

Chad currently reports 5,898 against 5,500 in South Korea, a difference of 398.

That makes Chad's figure about 1.1 times South Korea's.

The two have swapped places 2 times across 17 shared years of data; in 1974 it was Chad ahead.

Chad ranks 9th and South Korea ranks 12th of 210 countries.

Chad has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade Chad South Korea Difference Ahead
1970s 5,992 1,683 4,309 Chad
1980s 1,573 977.14 595.39 Chad
1990s 5,536 7 5,529 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 South Korea?
Chad, at 5,898 against 5,500 in South Korea as of 1998.
What is the difference in pertussis - number of reported cases, gaps filled between Chad and South Korea?
398, with Chad ahead.
How many years of comparable data are there for Chad and South Korea?
17 years are reported by both, from 1974 to 1998.
How do Chad and South Korea rank globally for pertussis - number of reported cases, gaps filled?
Chad ranks 9th and South Korea ranks 12th 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 Korea: Pertussis - number of reported cases, gaps filled. Statizoid, drawing on Statizoid (derived). Retrieved 01 September 2026, from https://health.statizoid.com/compare/pertussis-number-of-reported-cases-gaps-filled/chad/korea-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

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.