Comoros vs Haiti: Number of one-year-olds who are not vaccinated against diphtheria

Comoros
3.1 one-year-olds per square kilometre
in 2023
Haiti
4.12 one-year-olds per square kilometre
in 2023
Comoros rank
3rd
Haiti rank
2nd

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

  • Comoros
  • Haiti
0246198020012023

How they compare

Haiti currently reports 4.12 one-year-olds per square kilometre against 3.1 one-year-olds per square kilometre in Comoros, a difference of 1.02 one-year-olds per square kilometre.

That makes Haiti's figure about 1.3 times Comoros's.

The two have swapped places 4 times across 40 shared years of data; in 1984 it was Haiti ahead.

Comoros ranks 3rd and Haiti ranks 2nd of 192 countries.

Haiti has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade Comoros Haiti Difference Ahead
1980s 3.53 one-year-olds per square kilometre 5.28 one-year-olds per square kilometre 1.76 one-year-olds per square kilometre Haiti
1990s 3.37 one-year-olds per square kilometre 5.08 one-year-olds per square kilometre 1.71 one-year-olds per square kilometre Haiti
2000s 2.4 one-year-olds per square kilometre 3.84 one-year-olds per square kilometre 1.45 one-year-olds per square kilometre Haiti
2010s 2.38 one-year-olds per square kilometre 3.44 one-year-olds per square kilometre 1.06 one-year-olds per square kilometre Haiti
2020s 3.1 one-year-olds per square kilometre 4.33 one-year-olds per square kilometre 1.23 one-year-olds per square kilometre Haiti

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, Comoros or Haiti?
Haiti, at 4.12 one-year-olds per square kilometre against 3.1 one-year-olds per square kilometre in Comoros as of 2023.
What is the difference in number of one-year-olds who are not vaccinated against diphtheria between Comoros and Haiti?
1.02 one-year-olds per square kilometre, with Haiti ahead.
How many years of comparable data are there for Comoros and Haiti?
40 years are reported by both, from 1984 to 2023.
How do Comoros and Haiti rank globally for number of one-year-olds who are not vaccinated against diphtheria?
Comoros ranks 3rd and Haiti ranks 2nd 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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Comoros vs Haiti: 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-3/comoros/haiti/

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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/comoros/haiti/">Comoros vs Haiti: 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.