Iran vs Singapore: Diphtheria - number of reported cases, annual growth rate

Iran
-100 % change on previous year
in 2018
Singapore
-100 % change on previous year
in 2018
Iran rank
51st
Singapore rank
51st

Diphtheria - number of reported cases, annual growth rate over time

  • Iran
  • Singapore
-1000100200197519962018

How they compare

Iran currently reports -100 % change on previous year against -100 % change on previous year in Singapore, a difference of 0 % change on previous year.

The two have swapped places 5 times across 10 shared years of data; in 1975 it was Iran ahead.

Iran ranks 51st and Singapore ranks 51st of 140 countries.

Across the 4 decades both report, Iran averaged higher in 2 and Singapore in 1.

Head to head by decade

Decade Iran Singapore Difference Ahead
1970s 88.83 % change on previous year -100 % change on previous year 188.83 % change on previous year Iran
1980s 22.76 % change on previous year -58.33 % change on previous year 81.09 % change on previous year Iran
1990s -26.49 % change on previous year -25 % change on previous year 1.49 % change on previous year Singapore
2010s -100 % change on previous year -100 % change on previous year 0 % change on previous year —

Averages of every year both report within each decade.

Frequently asked questions

Which has higher diphtheria - number of reported cases, annual growth rate, Iran or Singapore?
Iran, at -100 % change on previous year against -100 % change on previous year in Singapore as of 2018.
What is the difference in diphtheria - number of reported cases, annual growth rate between Iran and Singapore?
0 % change on previous year, with Iran ahead.
How many years of comparable data are there for Iran and Singapore?
10 years are reported by both, from 1975 to 2018.
How do Iran and Singapore rank globally for diphtheria - number of reported cases, annual growth rate?
Iran ranks 51st and Singapore ranks 51st of 140 countries.
Where does this data come from?
Statizoid (derived), published as Diphtheria - number of reported cases, annual growth rate. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran vs Singapore: Diphtheria - number of reported cases, annual growth rate. Statizoid, drawing on Statizoid (derived). Retrieved 11 November 2026, from https://health.statizoid.com/compare/diphtheria-number-of-reported-cases-annual-growth-rate/iran-islamic-rep/singapore/

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About this data

Indicator
Diphtheria - number of reported cases, annual growth rate
Unit
% change on previous year
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
152 places, 3,361 data points, 1975–2025
Last refreshed

The year-on-year percentage change in Diphtheria - number of reported cases. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.