Bhutan vs Sierra Leone: Pertussis - number of reported cases, per square kilometre

Bhutan
0 units per square kilometre
in 2023
Sierra Leone
0 units per square kilometre
in 2021
Bhutan rank
132nd
Sierra Leone rank
132nd

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

  • Bhutan
  • Sierra Leone
00.010.020.03197820002023

How they compare

Bhutan currently reports 0 units per square kilometre against 0 units per square kilometre in Sierra Leone, a difference of 0 units per square kilometre.

The two have swapped places 7 times across 15 shared years of data; in 1979 it was Bhutan ahead.

Bhutan ranks 132nd and Sierra Leone ranks 132nd of 204 countries.

Across the 5 decades both report, Bhutan averaged higher in 2 and Sierra Leone in 2.

Head to head by decade

Decade Bhutan Sierra Leone Difference Ahead
1970s 0.0267 units per square kilometre 0.0197 units per square kilometre 0.007 units per square kilometre Bhutan
1980s 0.0074 units per square kilometre 0.0161 units per square kilometre 0.0087 units per square kilometre Sierra Leone
1990s 0 units per square kilometre 0 units per square kilometre 0 units per square kilometre
2000s 0.0002 units per square kilometre 0 units per square kilometre 0.0002 units per square kilometre Bhutan
2010s 0 units per square kilometre 0.0003 units per square kilometre 0.0003 units per square kilometre Sierra Leone

Averages of every year both report within each decade.

Frequently asked questions

Which has higher pertussis - number of reported cases, per square kilometre, Bhutan or Sierra Leone?
Bhutan, at 0 units per square kilometre against 0 units per square kilometre in Sierra Leone as of 2023.
What is the difference in pertussis - number of reported cases, per square kilometre between Bhutan and Sierra Leone?
0 units per square kilometre, with Bhutan ahead.
How many years of comparable data are there for Bhutan and Sierra Leone?
15 years are reported by both, from 1979 to 2011.
How do Bhutan and Sierra Leone rank globally for pertussis - number of reported cases, per square kilometre?
Bhutan ranks 132nd and Sierra Leone ranks 132nd 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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Bhutan vs Sierra Leone: 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/bhutan/sierra-leone/

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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.