Liberia vs Tonga: Pertussis - number of reported cases, per square kilometre

Liberia
0 units per square kilometre
in 2022
Tonga
0 units per square kilometre
in 2023
Liberia rank
132nd
Tonga rank
132nd

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

  • Liberia
  • Tonga
00.20.40.60.8197419982023

How they compare

Liberia currently reports 0 units per square kilometre against 0 units per square kilometre in Tonga, a difference of 0 units per square kilometre.

The two have swapped places 11 times across 30 shared years of data; in 1974 it was Tonga ahead.

Liberia ranks 132nd and Tonga ranks 132nd of 204 countries.

Across the 5 decades both report, Liberia averaged higher in 1 and Tonga in 4.

Head to head by decade

Decade Liberia Tonga Difference Ahead
1970s 0.0125 units per square kilometre 0.0838 units per square kilometre 0.0713 units per square kilometre Tonga
1980s 0.0053 units per square kilometre 0.0814 units per square kilometre 0.0761 units per square kilometre Tonga
1990s 0.0053 units per square kilometre 0 units per square kilometre 0.0053 units per square kilometre Liberia
2000s 0.0014 units per square kilometre 0.0039 units per square kilometre 0.0026 units per square kilometre Tonga
2010s 0.0005 units per square kilometre 0.0014 units per square kilometre 0.0009 units per square kilometre Tonga

Averages of every year both report within each decade.

Frequently asked questions

Which has higher pertussis - number of reported cases, per square kilometre, Liberia or Tonga?
Liberia, at 0 units per square kilometre against 0 units per square kilometre in Tonga as of 2022.
What is the difference in pertussis - number of reported cases, per square kilometre between Liberia and Tonga?
0 units per square kilometre, with Liberia ahead.
How many years of comparable data are there for Liberia and Tonga?
30 years are reported by both, from 1974 to 2017.
How do Liberia and Tonga rank globally for pertussis - number of reported cases, per square kilometre?
Liberia ranks 132nd and Tonga 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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Liberia vs Tonga: 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/liberia/tonga/

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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.