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

35 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.

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

Guam

0 units per square kilometre

in 2023

Guinea-Bissau

0 units per square kilometre

in 2023

Guam rank

132nd

Guinea-Bissau rank

132nd

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

Guam
Guinea-Bissau

How they compare

Guam 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 7 times across 35 shared years of data; in 1974 it was Guam ahead.

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

Across the 6 decades both report, Guam averaged higher in 2 and Guinea-Bissau in 3.

Head to head by decade

Decade	Guam	Guinea-Bissau	Difference	Ahead
1970s	0.0004 units per square kilometre	0.0225 units per square kilometre	0.0221 units per square kilometre	Guinea-Bissau
1980s	0.0002 units per square kilometre	0.0389 units per square kilometre	0.0387 units per square kilometre	Guinea-Bissau
1990s	0.0059 units per square kilometre	0.024 units per square kilometre	0.018 units per square kilometre	Guinea-Bissau
2000s	0.0006 units per square kilometre	0.0003 units per square kilometre	0.0003 units per square kilometre	Guam
2010s	0.0488 units per square kilometre	0 units per square kilometre	0.0488 units per square kilometre	Guam
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, Guam or Guinea-Bissau?: Guam, 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 Guam and Guinea-Bissau?: 0 units per square kilometre, with Guam ahead.
How many years of comparable data are there for Guam and Guinea-Bissau?: 35 years are reported by both, from 1974 to 2023.
How do Guam and Guinea-Bissau rank globally for pertussis - number of reported cases, per square kilometre?: Guam 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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Guam 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/guam/guinea-bissau/

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<a href="https://health.statizoid.com/compare/pertussis-number-of-reported-cases-per-square-kilometre/guam/guinea-bissau/">Guam 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.