Denmark vs Singapore: Pertussis - number of reported cases, per square kilometre

Denmark
0.1515 units per square kilometre
in 2023
Singapore
0.1597 units per square kilometre
in 2018
Denmark rank
2nd
Singapore rank
1st

Pertussis - number of reported cases, per square kilometre over time

  • Denmark
  • Singapore
00.10.20.30.4197419982023

How they compare

Singapore currently reports 0.1597 units per square kilometre against 0.1515 units per square kilometre in Denmark, a difference of 0.0082 units per square kilometre.

That makes Singapore's figure about 1.1 times Denmark's.

The two have swapped places 5 times across 39 shared years of data; in 1974 it was Denmark ahead.

Denmark ranks 2nd and Singapore ranks 1st of 204 countries.

Across the 5 decades both report, Denmark averaged higher in 3 and Singapore in 2.

Head to head by decade

Decade Denmark Singapore Difference Ahead
1970s 0.1601 units per square kilometre 0.0095 units per square kilometre 0.1506 units per square kilometre Denmark
1980s 0.0593 units per square kilometre 0.0082 units per square kilometre 0.0511 units per square kilometre Denmark
1990s 0.0087 units per square kilometre 0.0066 units per square kilometre 0.0021 units per square kilometre Denmark
2000s 0.0037 units per square kilometre 0.0132 units per square kilometre 0.0095 units per square kilometre Singapore
2010s 0.0155 units per square kilometre 0.0635 units per square kilometre 0.048 units per square kilometre Singapore

Averages of every year both report within each decade.

Frequently asked questions

Which has higher pertussis - number of reported cases, per square kilometre, Denmark or Singapore?
Singapore, at 0.1597 units per square kilometre against 0.1515 units per square kilometre in Denmark as of 2018.
What is the difference in pertussis - number of reported cases, per square kilometre between Denmark and Singapore?
0.0082 units per square kilometre, with Singapore ahead.
How many years of comparable data are there for Denmark and Singapore?
39 years are reported by both, from 1974 to 2018.
How do Denmark and Singapore rank globally for pertussis - number of reported cases, per square kilometre?
Denmark ranks 2nd and Singapore ranks 1st of 204 countries.
Where does this data come from?
Statizoid (derived), published as Pertussis - number of reported cases, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Denmark vs Singapore: Pertussis - number of reported cases, per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 11 September 2026, from https://health.statizoid.com/compare/pertussis-number-of-reported-cases-per-square-kilometre/denmark/singapore/

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About this data

Indicator
Pertussis - number of reported cases, per square kilometre
Unit
units per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
205 places, 7,899 data points, 1974–2023
Last refreshed

Pertussis - number of reported cases divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.