How many years of comparable data are there for Comoros and Guinea-Bissau?

21 years are reported by both, from 1974 to 2023.

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.

Comoros vs Guinea-Bissau: Pertussis - number of reported cases, per square kilometre

Comoros

0 units per square kilometre

in 2023

Guinea-Bissau

0 units per square kilometre

in 2023

Comoros rank

132nd

Guinea-Bissau rank

132nd

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

Comoros
Guinea-Bissau

How they compare

Comoros currently reports 0 units per square kilometre against 0 units per square kilometre in Guinea-Bissau, a difference of 0 units per square kilometre.

The two have swapped places 3 times across 21 shared years of data; in 1974 it was Comoros ahead.

Comoros ranks 132nd and Guinea-Bissau ranks 132nd of 204 countries.

Across the 5 decades both report, Comoros averaged higher in 1 and Guinea-Bissau in 3.

Head to head by decade

Decade	Comoros	Guinea-Bissau	Difference	Ahead
1970s	0.2051 units per square kilometre	0.0166 units per square kilometre	0.1885 units per square kilometre	Comoros
1990s	0.0003 units per square kilometre	0.024 units per square kilometre	0.0236 units per square kilometre	Guinea-Bissau
2000s	0 units per square kilometre	0.0002 units per square kilometre	0.0002 units per square kilometre	Guinea-Bissau
2010s	0 units per square kilometre	0.0001 units per square kilometre	0.0001 units per square kilometre	Guinea-Bissau
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, Comoros or Guinea-Bissau?: Comoros, at 0 units per square kilometre against 0 units per square kilometre in Guinea-Bissau as of 2023.
What is the difference in pertussis - number of reported cases, per square kilometre between Comoros and Guinea-Bissau?: 0 units per square kilometre, with Comoros ahead.
How many years of comparable data are there for Comoros and Guinea-Bissau?: 21 years are reported by both, from 1974 to 2023.
How do Comoros and Guinea-Bissau rank globally for pertussis - number of reported cases, per square kilometre?: Comoros ranks 132nd and Guinea-Bissau 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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Comoros vs Guinea-Bissau: 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/comoros/guinea-bissau/

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<a href="https://health.statizoid.com/compare/pertussis-number-of-reported-cases-per-square-kilometre/comoros/guinea-bissau/">Comoros vs Guinea-Bissau: Pertussis - number of reported cases, per square kilometre</a> — Statizoid

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: 01 September 2026

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.