How many years of comparable data are there for Samoa and Zambia?

29 years are reported by both, from 1974 to 2024.

Where does this data come from?

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

Samoa vs Zambia: Diphtheria - number of reported cases, per capita

Samoa

0 units per person

in 2025

Zambia

0 units per person

in 2024

Samoa rank

60th

Zambia rank

60th

Diphtheria - number of reported cases, per capita over time

Samoa
Zambia

How they compare

Samoa currently reports 0 units per person against 0 units per person in Zambia, a difference of 0 units per person.

The two have swapped places 6 times across 29 shared years of data; in 1974 it was Zambia ahead.

Samoa ranks 60th and Zambia ranks 60th of 204 countries.

Across the 6 decades both report, Samoa averaged higher in 1 and Zambia in 4.

Head to head by decade

Decade	Samoa	Zambia	Difference	Ahead
1970s	0 units per person	0 units per person	0 units per person	Zambia
1980s	0 units per person	0 units per person	0 units per person	Zambia
1990s	0 units per person	0 units per person	0 units per person	Zambia
2000s	0 units per person	0 units per person	0 units per person	Zambia
2010s	0 units per person	0 units per person	0 units per person	Samoa
2020s	0 units per person	0 units per person	0 units per person	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher diphtheria - number of reported cases, per capita, Samoa or Zambia?: Samoa, at 0 units per person against 0 units per person in Zambia as of 2025.
What is the difference in diphtheria - number of reported cases, per capita between Samoa and Zambia?: 0 units per person, with Samoa ahead.
How many years of comparable data are there for Samoa and Zambia?: 29 years are reported by both, from 1974 to 2024.
How do Samoa and Zambia rank globally for diphtheria - number of reported cases, per capita?: Samoa ranks 60th and Zambia ranks 60th of 204 countries.
Where does this data come from?: Statizoid (derived), published as Diphtheria - number of reported cases, per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Samoa vs Zambia: Diphtheria - number of reported cases, per capita. Statizoid, drawing on Statizoid (derived). Retrieved 31 August 2026, from https://health.statizoid.com/compare/diphtheria-number-of-reported-cases-per-capita/samoa/zambia/

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<a href="https://health.statizoid.com/compare/diphtheria-number-of-reported-cases-per-capita/samoa/zambia/">Samoa vs Zambia: Diphtheria - number of reported cases, per capita</a> — Statizoid

About this data

Indicator: Diphtheria - number of reported cases, per capita
Unit: units per person
Source: Statizoid (derived)
Licence: Derived by Statizoid from the sources named on the page
Coverage: 205 places, 8,479 data points, 1974–2025
Last refreshed: 31 August 2026

Diphtheria - number of reported cases divided by Population, total, matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.