Sierra Leone vs Trinidad and Tobago: Pertussis - number of reported cases, per square kilometre

Sierra Leone
0 units per square kilometre
in 2021
Trinidad and Tobago
0 units per square kilometre
in 2023
Sierra Leone rank
132nd
Trinidad and Tobago rank
132nd

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

  • Sierra Leone
  • Trinidad and Tobago
00.010.020.03197419982023

How they compare

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

The two have swapped places 5 times across 16 shared years of data; in 1979 it was Sierra Leone ahead.

Sierra Leone ranks 132nd and Trinidad and Tobago ranks 132nd of 204 countries.

Across the 6 decades both report, Sierra Leone averaged higher in 3 and Trinidad and Tobago in 1.

Head to head by decade

Decade Sierra Leone Trinidad and Tobago Difference Ahead
1970s 0.0197 units per square kilometre 0.0092 units per square kilometre 0.0106 units per square kilometre Sierra Leone
1980s 0.0161 units per square kilometre 0.002 units per square kilometre 0.0141 units per square kilometre Sierra Leone
1990s 0 units per square kilometre 0.0002 units per square kilometre 0.0002 units per square kilometre Trinidad and Tobago
2000s 0 units per square kilometre 0 units per square kilometre 0 units per square kilometre
2010s 0.0003 units per square kilometre 0 units per square kilometre 0.0003 units per square kilometre Sierra Leone
2020s 0 units per square kilometre 0 units per square kilometre 0 units per square kilometre

Averages of every year both report within each decade.

Frequently asked questions

Which has higher pertussis - number of reported cases, per square kilometre, Sierra Leone or Trinidad and Tobago?
Sierra Leone, at 0 units per square kilometre against 0 units per square kilometre in Trinidad and Tobago as of 2021.
What is the difference in pertussis - number of reported cases, per square kilometre between Sierra Leone and Trinidad and Tobago?
0 units per square kilometre, with Sierra Leone ahead.
How many years of comparable data are there for Sierra Leone and Trinidad and Tobago?
16 years are reported by both, from 1979 to 2021.
How do Sierra Leone and Trinidad and Tobago rank globally for pertussis - number of reported cases, per square kilometre?
Sierra Leone ranks 132nd and Trinidad and Tobago 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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Sierra Leone vs Trinidad and Tobago: Pertussis - number of reported cases, per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 15 September 2026, from https://health.statizoid.com/compare/pertussis-number-of-reported-cases-per-square-kilometre/sierra-leone/trinidad-and-tobago/

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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.