How many years of comparable data are there for Morocco and Sri Lanka?

38 years are reported by both, from 1975 to 2018.

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.

Morocco vs Sri Lanka: Diphtheria - number of reported cases, per square kilometre

Morocco

0 units per square kilometre

in 2018

Sri Lanka

0 units per square kilometre

in 2023

Morocco rank

57th

Sri Lanka rank

57th

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

Morocco
Sri Lanka

How they compare

Morocco currently reports 0 units per square kilometre against 0 units per square kilometre in Sri Lanka, a difference of 0 units per square kilometre.

The two have swapped places 2 times across 38 shared years of data; in 1975 it was Sri Lanka ahead.

Morocco ranks 57th and Sri Lanka ranks 57th of 204 countries.

Sri Lanka has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade	Morocco	Sri Lanka	Difference	Ahead
1970s	0.0002 units per square kilometre	0.0029 units per square kilometre	0.0028 units per square kilometre	Sri Lanka
1980s	0 units per square kilometre	0.0002 units per square kilometre	0.0002 units per square kilometre	Sri Lanka
1990s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	Sri Lanka
2000s	0 units per square kilometre	0 units per square kilometre	0 units per square kilometre	Sri Lanka
2010s	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 diphtheria - number of reported cases, per square kilometre, Morocco or Sri Lanka?: Morocco, at 0 units per square kilometre against 0 units per square kilometre in Sri Lanka as of 2018.
What is the difference in diphtheria - number of reported cases, per square kilometre between Morocco and Sri Lanka?: 0 units per square kilometre, with Morocco ahead.
How many years of comparable data are there for Morocco and Sri Lanka?: 38 years are reported by both, from 1975 to 2018.
How do Morocco and Sri Lanka rank globally for diphtheria - number of reported cases, per square kilometre?: Morocco ranks 57th and Sri Lanka 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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Morocco vs Sri Lanka: Diphtheria - number of reported cases, per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 05 September 2026, from https://health.statizoid.com/compare/diphtheria-number-of-reported-cases-per-square-kilometre/morocco/sri-lanka/

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<a href="https://health.statizoid.com/compare/diphtheria-number-of-reported-cases-per-square-kilometre/morocco/sri-lanka/">Morocco vs Sri Lanka: 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.