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

San Marino
0.3315 one-year-olds per square kilometre
in 2023
Somalia
0.3467 one-year-olds per square kilometre
in 2023
San Marino rank
56th
Somalia rank
53rd

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

  • San Marino
  • Somalia
00.20.40.60.8198120022023

How they compare

Somalia currently reports 0.3467 one-year-olds per square kilometre against 0.3315 one-year-olds per square kilometre in San Marino, a difference of 0.0152 one-year-olds per square kilometre.

The two have swapped places 8 times across 41 shared years of data; in 1983 it was Somalia ahead.

San Marino ranks 56th and Somalia ranks 53rd of 192 countries.

Across the 5 decades both report, San Marino averaged higher in 1 and Somalia in 4.

Head to head by decade

Decade San Marino Somalia Difference Ahead
1980s 0.0385 one-year-olds per square kilometre 0.3631 one-year-olds per square kilometre 0.3246 one-year-olds per square kilometre Somalia
1990s 0.0906 one-year-olds per square kilometre 0.3629 one-year-olds per square kilometre 0.2723 one-year-olds per square kilometre Somalia
2000s 0.2989 one-year-olds per square kilometre 0.4533 one-year-olds per square kilometre 0.1544 one-year-olds per square kilometre Somalia
2010s 0.6227 one-year-olds per square kilometre 0.4557 one-year-olds per square kilometre 0.1671 one-year-olds per square kilometre San Marino
2020s 0.3725 one-year-olds per square kilometre 0.3874 one-year-olds per square kilometre 0.015 one-year-olds per square kilometre Somalia

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, San Marino or Somalia?
Somalia, at 0.3467 one-year-olds per square kilometre against 0.3315 one-year-olds per square kilometre in San Marino as of 2023.
What is the difference in number of one-year-olds who are not vaccinated against diphtheria between San Marino and Somalia?
0.0152 one-year-olds per square kilometre, with Somalia ahead.
How many years of comparable data are there for San Marino and Somalia?
41 years are reported by both, from 1983 to 2023.
How do San Marino and Somalia rank globally for number of one-year-olds who are not vaccinated against diphtheria?
San Marino ranks 56th and Somalia ranks 53rd 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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San Marino vs Somalia: 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/san-marino/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-3/san-marino/somalia-fed-rep/">San Marino 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 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.