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

Iran
0.0074 one-year-olds per square kilometre
in 2023
Portugal
0.009 one-year-olds per square kilometre
in 2023
Iran rank
178th
Portugal rank
176th

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

  • Iran
  • Portugal
00.20.40.60.8198020012023

How they compare

Portugal currently reports 0.009 one-year-olds per square kilometre against 0.0074 one-year-olds per square kilometre in Iran, a difference of 0.0016 one-year-olds per square kilometre.

That makes Portugal's figure about 1.2 times Iran's.

The two have swapped places 13 times across 44 shared years of data; in 1980 it was Iran ahead.

Iran ranks 178th and Portugal ranks 176th of 192 countries.

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

Head to head by decade

Decade Iran Portugal Difference Ahead
1980s 0.5435 one-year-olds per square kilometre 0.3244 one-year-olds per square kilometre 0.2191 one-year-olds per square kilometre Iran
1990s 0.038 one-year-olds per square kilometre 0.0666 one-year-olds per square kilometre 0.0287 one-year-olds per square kilometre Portugal
2000s 0.0122 one-year-olds per square kilometre 0.0417 one-year-olds per square kilometre 0.0295 one-year-olds per square kilometre Portugal
2010s 0.0106 one-year-olds per square kilometre 0.0189 one-year-olds per square kilometre 0.0082 one-year-olds per square kilometre Portugal
2020s 0.0096 one-year-olds per square kilometre 0.0092 one-year-olds per square kilometre 0.0004 one-year-olds per square kilometre Iran

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 Portugal?
Portugal, at 0.009 one-year-olds per square kilometre against 0.0074 one-year-olds per square kilometre in Iran as of 2023.
What is the difference in number of one-year-olds who are not vaccinated against diphtheria between Iran and Portugal?
0.0016 one-year-olds per square kilometre, with Portugal ahead.
How many years of comparable data are there for Iran and Portugal?
44 years are reported by both, from 1980 to 2023.
How do Iran and Portugal rank globally for number of one-year-olds who are not vaccinated against diphtheria?
Iran ranks 178th and Portugal ranks 176th 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 square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iran vs Portugal: Number of one-year-olds who are not vaccinated against diphtheria. Statizoid, drawing on Statizoid (derived). Retrieved 18 September 2026, from https://health.statizoid.com/compare/number-of-one-year-olds-who-are-not-vaccinated-against-diphtheria-pertussis-and-tetanus-3/iran-islamic-rep/portugal/

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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-3/iran-islamic-rep/portugal/">Iran vs Portugal: 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 square kilometre
Unit
one-year-olds per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
192 places, 7,710 data points, 1980–2023
Last refreshed

Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus 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.