Iran vs Sri Lanka: Number of one-year-olds who are not vaccinated against diphtheria

Iran
0.0001 one-year-olds per person
in 2023
Sri Lanka
0.0001 one-year-olds per person
in 2023
Iran rank
177th
Sri Lanka rank
175th

Number of one-year-olds who are not vaccinated against diphtheria over time

  • Iran
  • Sri Lanka
00.010.020.03198020012023

How they compare

Sri Lanka currently reports 0.0001 one-year-olds per person against 0.0001 one-year-olds per person in Iran, a difference of 0 one-year-olds per person.

That makes Sri Lanka's figure about 1.1 times Iran's.

The two have swapped places 7 times across 44 shared years of data; in 1980 it was Iran ahead.

Iran ranks 177th and Sri Lanka ranks 175th of 192 countries.

Across the 5 decades both report, Iran averaged higher in 2 and Sri Lanka in 3.

Head to head by decade

Decade Iran Sri Lanka Difference Ahead
1980s 0.019 one-year-olds per person 0.0081 one-year-olds per person 0.0109 one-year-olds per person Iran
1990s 0.001 one-year-olds per person 0.0017 one-year-olds per person 0.0007 one-year-olds per person Sri Lanka
2000s 0.0003 one-year-olds per person 0.0003 one-year-olds per person 0.0001 one-year-olds per person Sri Lanka
2010s 0.0002 one-year-olds per person 0.0002 one-year-olds per person 0 one-year-olds per person Iran
2020s 0.0002 one-year-olds per person 0.0004 one-year-olds per person 0.0002 one-year-olds per person Sri Lanka

Averages of every year both report within each decade.

Frequently asked questions

Which has higher number of one-year-olds who are not vaccinated against diphtheria, Iran or Sri Lanka?
Sri Lanka, at 0.0001 one-year-olds per person against 0.0001 one-year-olds per person in Iran as of 2023.
What is the difference in number of one-year-olds who are not vaccinated against diphtheria between Iran and Sri Lanka?
0 one-year-olds per person, with Sri Lanka ahead.
How many years of comparable data are there for Iran and Sri Lanka?
44 years are reported by both, from 1980 to 2023.
How do Iran and Sri Lanka rank globally for number of one-year-olds who are not vaccinated against diphtheria?
Iran ranks 177th and Sri Lanka ranks 175th of 192 countries.
Where does this data come from?
Statizoid (derived), published as Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus, per capita. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran vs Sri Lanka: Number of one-year-olds who are not vaccinated against diphtheria. Statizoid, drawing on Statizoid (derived). Retrieved 17 September 2026, from https://health.statizoid.com/compare/number-of-one-year-olds-who-are-not-vaccinated-against-diphtheria-pertussis-and-tetanus/iran-islamic-rep/sri-lanka/

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<a href="https://health.statizoid.com/compare/number-of-one-year-olds-who-are-not-vaccinated-against-diphtheria-pertussis-and-tetanus/iran-islamic-rep/sri-lanka/">Iran vs Sri Lanka: Number of one-year-olds who are not vaccinated against diphtheria</a> — Statizoid

About this data

Indicator
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus, per capita
Unit
one-year-olds per person
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
192 places, 7,818 data points, 1980–2023
Last refreshed

Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus divided by Population, total, matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.