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

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

Where does this data come from?

Statizoid (derived), published as Diphtheria - number of reported cases, per square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Canada vs Congo: Diphtheria - number of reported cases, per square kilometre

Canada

0 units per square kilometre

in 2023

Congo

0 units per square kilometre

in 2023

Canada rank

55th

Congo rank

57th

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

Canada
Congo

How they compare

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

The two have swapped places 16 times across 41 shared years of data; in 1974 it was Canada ahead.

Canada ranks 55th and Congo ranks 57th of 204 countries.

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

Head to head by decade

Decade	Canada	Congo	Difference	Ahead
1970s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	Canada
1980s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	Canada
1990s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	Canada
2000s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	Canada
2010s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	Congo
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 diphtheria - number of reported cases, per square kilometre, Canada or Congo?: Canada, at 0 units per square kilometre against 0 units per square kilometre in Congo as of 2023.
What is the difference in diphtheria - number of reported cases, per square kilometre between Canada and Congo?: 0 units per square kilometre, with Canada ahead.
How many years of comparable data are there for Canada and Congo?: 41 years are reported by both, from 1974 to 2023.
How do Canada and Congo rank globally for diphtheria - number of reported cases, per square kilometre?: Canada ranks 55th and Congo ranks 57th of 204 countries.
Where does this data come from?: Statizoid (derived), published as Diphtheria - 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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Canada vs Congo: Diphtheria - number of reported cases, per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 31 August 2026, from https://health.statizoid.com/compare/diphtheria-number-of-reported-cases-per-square-kilometre/canada/congo-rep/

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<a href="https://health.statizoid.com/compare/diphtheria-number-of-reported-cases-per-square-kilometre/canada/congo-rep/">Canada vs Congo: Diphtheria - number of reported cases, per square kilometre</a> — Statizoid

About this data

Indicator: Diphtheria - 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, 7,917 data points, 1974–2023
Last refreshed: 31 August 2026

Diphtheria - 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.