Sierra Leone vs United States of America: Diphtheria - number of reported cases, per square kilometre

Sierra Leone
0 units per square kilometre
in 2021
United States of America
0 units per square kilometre
in 2023
Sierra Leone rank
57th
United States of America rank
56th

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

  • Sierra Leone
  • United States of America
00.0030.0050.0070.01197419982023

How they compare

United States of America currently reports 0 units per square kilometre against 0 units per square kilometre in Sierra Leone, a difference of 0 units per square kilometre.

The two have swapped places 4 times across 13 shared years of data; in 1980 it was United States of America ahead.

Sierra Leone ranks 57th and United States of America ranks 56th of 204 countries.

Across the 4 decades both report, Sierra Leone averaged higher in 1 and United States of America in 3.

Head to head by decade

Decade Sierra Leone United States of America Difference Ahead
1980s 0.0019 units per square kilometre 0 units per square kilometre 0.0019 units per square kilometre Sierra Leone
1990s 0 units per square kilometre 0 units per square kilometre 0 units per square kilometre United States of America
2000s 0 units per square kilometre 0 units per square kilometre 0 units per square kilometre United States of America
2020s 0 units per square kilometre 0 units per square kilometre 0 units per square kilometre United States of America

Averages of every year both report within each decade.

Frequently asked questions

Which has higher diphtheria - number of reported cases, per square kilometre, Sierra Leone or United States of America?
United States of America, at 0 units per square kilometre against 0 units per square kilometre in Sierra Leone as of 2023.
What is the difference in diphtheria - number of reported cases, per square kilometre between Sierra Leone and United States of America?
0 units per square kilometre, with United States of America ahead.
How many years of comparable data are there for Sierra Leone and United States of America?
13 years are reported by both, from 1980 to 2021.
How do Sierra Leone and United States of America rank globally for diphtheria - number of reported cases, per square kilometre?
Sierra Leone ranks 57th and United States of America ranks 56th 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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Sierra Leone vs United States of America: Diphtheria - number of reported cases, per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 11 September 2026, from https://health.statizoid.com/compare/diphtheria-number-of-reported-cases-per-square-kilometre/sierra-leone/united-states/

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<a href="https://health.statizoid.com/compare/diphtheria-number-of-reported-cases-per-square-kilometre/sierra-leone/united-states/">Sierra Leone vs United States of America: 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

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.