How many years of comparable data are there for Congo and New Caledonia?

34 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.

Congo vs New Caledonia: Pertussis - number of reported cases, per square kilometre

Congo

0 units per square kilometre

in 2023

New Caledonia

0 units per square kilometre

in 2023

Congo rank

130th

New Caledonia rank

132nd

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

Congo
New Caledonia

How they compare

Congo currently reports 0 units per square kilometre against 0 units per square kilometre in New Caledonia, a difference of 0 units per square kilometre.

The two have swapped places 10 times across 34 shared years of data; in 1974 it was Congo ahead.

Congo ranks 130th and New Caledonia ranks 132nd of 204 countries.

Across the 6 decades both report, Congo averaged higher in 4 and New Caledonia in 2.

Head to head by decade

Decade	Congo	New Caledonia	Difference	Ahead
1970s	0.0189 units per square kilometre	0.0028 units per square kilometre	0.0161 units per square kilometre	Congo
1980s	0.0056 units per square kilometre	0.0005 units per square kilometre	0.0051 units per square kilometre	Congo
1990s	0.0001 units per square kilometre	0.0001 units per square kilometre	0 units per square kilometre	Congo
2000s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	New Caledonia
2010s	0.0001 units per square kilometre	0.0007 units per square kilometre	0.0007 units per square kilometre	New Caledonia
2020s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	Congo

Averages of every year both report within each decade.

Frequently asked questions

Which has higher pertussis - number of reported cases, per square kilometre, Congo or New Caledonia?: Congo, at 0 units per square kilometre against 0 units per square kilometre in New Caledonia as of 2023.
What is the difference in pertussis - number of reported cases, per square kilometre between Congo and New Caledonia?: 0 units per square kilometre, with Congo ahead.
How many years of comparable data are there for Congo and New Caledonia?: 34 years are reported by both, from 1974 to 2023.
How do Congo and New Caledonia rank globally for pertussis - number of reported cases, per square kilometre?: Congo ranks 130th and New Caledonia 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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Congo vs New Caledonia: 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/congo-rep/new-caledonia/

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<a href="https://health.statizoid.com/compare/pertussis-number-of-reported-cases-per-square-kilometre/congo-rep/new-caledonia/">Congo vs New Caledonia: 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.