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

Comoros
0 one-year-olds per US$ of GDP
in 2023
Sierra Leone
0 one-year-olds per US$ of GDP
in 2023
Comoros rank
28th
Sierra Leone rank
30th

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

  • Comoros
  • Sierra Leone
0000198420032023

How they compare

Comoros currently reports 0 one-year-olds per US$ of GDP against 0 one-year-olds per US$ of GDP in Sierra Leone, a difference of 0 one-year-olds per US$ of GDP.

That makes Comoros's figure about 1.2 times Sierra Leone's.

The two have swapped places 5 times across 25 shared years of data; in 1999 it was Sierra Leone ahead.

Comoros ranks 28th and Sierra Leone ranks 30th of 191 countries.

Across the 4 decades both report, Comoros averaged higher in 2 and Sierra Leone in 2.

Head to head by decade

Decade Comoros Sierra Leone Difference Ahead
1990s 0 one-year-olds per US$ of GDP 0.0001 one-year-olds per US$ of GDP 0.0001 one-year-olds per US$ of GDP Sierra Leone
2000s 0 one-year-olds per US$ of GDP 0 one-year-olds per US$ of GDP 0 one-year-olds per US$ of GDP Sierra Leone
2010s 0 one-year-olds per US$ of GDP 0 one-year-olds per US$ of GDP 0 one-year-olds per US$ of GDP Comoros
2020s 0 one-year-olds per US$ of GDP 0 one-year-olds per US$ of GDP 0 one-year-olds per US$ of GDP Comoros

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 Sierra Leone?
Comoros, at 0 one-year-olds per US$ of GDP against 0 one-year-olds per US$ of GDP in Sierra Leone as of 2023.
What is the difference in number of one-year-olds who are not vaccinated against diphtheria between Comoros and Sierra Leone?
0 one-year-olds per US$ of GDP, with Comoros ahead.
How many years of comparable data are there for Comoros and Sierra Leone?
25 years are reported by both, from 1999 to 2023.
How do Comoros and Sierra Leone rank globally for number of one-year-olds who are not vaccinated against diphtheria?
Comoros ranks 28th and Sierra Leone ranks 30th of 191 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 unit of GDP. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Comoros vs Sierra Leone: 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-2/comoros/sierra-leone/

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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-2/comoros/sierra-leone/">Comoros vs Sierra Leone: 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 unit of GDP
Unit
one-year-olds per US$ of GDP
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
191 places, 7,653 data points, 1980–2023
Last refreshed

Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus divided by GDP (current US$), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.