How many years of comparable data are there for Grenada and Peru?

50 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.

Grenada vs Peru: Diphtheria - number of reported cases, per square kilometre

Grenada

0 units per square kilometre

in 2023

Peru

0 units per square kilometre

in 2023

Grenada rank

57th

Peru rank

57th

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

Grenada
Peru

How they compare

Grenada currently reports 0 units per square kilometre against 0 units per square kilometre in Peru, a difference of 0 units per square kilometre.

The two have swapped places 6 times across 50 shared years of data; in 1974 it was Peru ahead.

Grenada ranks 57th and Peru ranks 57th of 204 countries.

Across the 6 decades both report, Grenada averaged higher in 2 and Peru in 3.

Head to head by decade

Decade	Grenada	Peru	Difference	Ahead
1970s	0.001 units per square kilometre	0.0001 units per square kilometre	0.0009 units per square kilometre	Grenada
1980s	0.0006 units per square kilometre	0.0001 units per square kilometre	0.0005 units per square kilometre	Grenada
1990s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	Peru
2000s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	—
2010s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	Peru
2020s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	Peru

Averages of every year both report within each decade.

Frequently asked questions

Which has higher diphtheria - number of reported cases, per square kilometre, Grenada or Peru?: Grenada, at 0 units per square kilometre against 0 units per square kilometre in Peru as of 2023.
What is the difference in diphtheria - number of reported cases, per square kilometre between Grenada and Peru?: 0 units per square kilometre, with Grenada ahead.
How many years of comparable data are there for Grenada and Peru?: 50 years are reported by both, from 1974 to 2023.
How do Grenada and Peru rank globally for diphtheria - number of reported cases, per square kilometre?: Grenada ranks 57th and Peru 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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Grenada vs Peru: 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/grenada/peru/

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<a href="https://health.statizoid.com/compare/diphtheria-number-of-reported-cases-per-square-kilometre/grenada/peru/">Grenada vs Peru: 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.