Sierra Leone vs Singapore: Diphtheria - number of reported cases, per square kilometre

Sierra Leone
0 units per square kilometre
in 2021
Singapore
0 units per square kilometre
in 2018
Sierra Leone rank
57th
Singapore rank
57th

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

  • Sierra Leone
  • Singapore
00.0030.0050.0070.01197419972021

How they compare

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

The two have swapped places 2 times across 12 shared years of data; in 1980 it was Singapore ahead.

Sierra Leone ranks 57th and Singapore ranks 57th of 204 countries.

Sierra Leone has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade Sierra Leone Singapore Difference Ahead
1980s 0.0019 units per square kilometre 0.0005 units per square kilometre 0.0014 units per square kilometre Sierra Leone
1990s 0 units per square kilometre 0 units per square kilometre 0 units per square kilometre
2000s 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, Sierra Leone or Singapore?
Sierra Leone, at 0 units per square kilometre against 0 units per square kilometre in Singapore as of 2021.
What is the difference in diphtheria - number of reported cases, per square kilometre between Sierra Leone and Singapore?
0 units per square kilometre, with Sierra Leone ahead.
How many years of comparable data are there for Sierra Leone and Singapore?
12 years are reported by both, from 1980 to 2007.
How do Sierra Leone and Singapore rank globally for diphtheria - number of reported cases, per square kilometre?
Sierra Leone ranks 57th and Singapore 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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Sierra Leone vs Singapore: Diphtheria - number of reported cases, per square kilometre. Statizoid, drawing on Statizoid (derived). Retrieved 07 September 2026, from https://health.statizoid.com/compare/diphtheria-number-of-reported-cases-per-square-kilometre/sierra-leone/singapore/

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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.