Gambia vs Yemen: Number of one-year-olds who are not vaccinated against diphtheria

Gambia
1.23 one-year-olds per square kilometre
in 2023
Yemen
1.32 one-year-olds per square kilometre
in 2023
Gambia rank
11th
Yemen rank
9th

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

  • Gambia
  • Yemen
00.511.5198020012023

How they compare

Yemen currently reports 1.32 one-year-olds per square kilometre against 1.23 one-year-olds per square kilometre in Gambia, a difference of 0.09 one-year-olds per square kilometre.

That makes Yemen's figure about 1.1 times Gambia's.

The two have swapped places 11 times across 44 shared years of data; in 1980 it was Gambia ahead.

Gambia ranks 11th and Yemen ranks 9th of 192 countries.

Across the 5 decades both report, Gambia averaged higher in 3 and Yemen in 2.

Head to head by decade

Decade Gambia Yemen Difference Ahead
1980s 0.8116 one-year-olds per square kilometre 0.7871 one-year-olds per square kilometre 0.0245 one-year-olds per square kilometre Gambia
1990s 0.4592 one-year-olds per square kilometre 0.5907 one-year-olds per square kilometre 0.1315 one-year-olds per square kilometre Yemen
2000s 0.5262 one-year-olds per square kilometre 0.3952 one-year-olds per square kilometre 0.131 one-year-olds per square kilometre Gambia
2010s 0.3758 one-year-olds per square kilometre 0.6743 one-year-olds per square kilometre 0.2986 one-year-olds per square kilometre Yemen
2020s 1.32 one-year-olds per square kilometre 1.08 one-year-olds per square kilometre 0.2427 one-year-olds per square kilometre Gambia

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, Gambia or Yemen?
Yemen, at 1.32 one-year-olds per square kilometre against 1.23 one-year-olds per square kilometre in Gambia as of 2023.
What is the difference in number of one-year-olds who are not vaccinated against diphtheria between Gambia and Yemen?
0.09 one-year-olds per square kilometre, with Yemen ahead.
How many years of comparable data are there for Gambia and Yemen?
44 years are reported by both, from 1980 to 2023.
How do Gambia and Yemen rank globally for number of one-year-olds who are not vaccinated against diphtheria?
Gambia ranks 11th and Yemen 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 square kilometre. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Gambia vs Yemen: 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/gambia-the/yemen-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-3/gambia-the/yemen-rep/">Gambia vs Yemen: 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.