Chad vs Somalia: Number of one-year-olds who are not vaccinated against diphtheria

Chad
0.0125 one-year-olds per person
in 2023
Somalia
0.0118 one-year-olds per person
in 2023
Chad rank
7th
Somalia rank
9th

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

  • Chad
  • Somalia
0.010.020.030.04198120022023

How they compare

Chad currently reports 0.0125 one-year-olds per person against 0.0118 one-year-olds per person in Somalia, a difference of 0.0007 one-year-olds per person.

That makes Chad's figure about 1.1 times Somalia's.

The two have swapped places 9 times across 41 shared years of data; in 1983 it was Somalia ahead.

Chad ranks 7th and Somalia ranks 9th of 192 countries.

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

Head to head by decade

Decade Chad Somalia Difference Ahead
1980s 0.0362 one-year-olds per person 0.0334 one-year-olds per person 0.0028 one-year-olds per person Chad
1990s 0.0335 one-year-olds per person 0.031 one-year-olds per person 0.0025 one-year-olds per person Chad
2000s 0.0309 one-year-olds per person 0.0273 one-year-olds per person 0.0036 one-year-olds per person Chad
2010s 0.0241 one-year-olds per person 0.0209 one-year-olds per person 0.0032 one-year-olds per person Chad
2020s 0.0145 one-year-olds per person 0.014 one-year-olds per person 0.0005 one-year-olds per person Chad

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, Chad or Somalia?
Chad, at 0.0125 one-year-olds per person against 0.0118 one-year-olds per person in Somalia as of 2023.
What is the difference in number of one-year-olds who are not vaccinated against diphtheria between Chad and Somalia?
0.0007 one-year-olds per person, with Chad ahead.
How many years of comparable data are there for Chad and Somalia?
41 years are reported by both, from 1983 to 2023.
How do Chad and Somalia rank globally for number of one-year-olds who are not vaccinated against diphtheria?
Chad ranks 7th and Somalia ranks 9th 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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Chad vs Somalia: 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/chad/somalia-fed-rep/

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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/chad/somalia-fed-rep/">Chad vs Somalia: 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.