Seychelles vs Saint Kitts and Nevis: Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus

Seychelles
54.12 one-year-olds
in 2023
Saint Kitts and Nevis
22.36 one-year-olds
in 2023
Seychelles rank
183rd
Saint Kitts and Nevis rank
187th

Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus over time

  • Seychelles
  • Saint Kitts and Nevis
05001.0k1.5k198020012023

How they compare

Seychelles currently reports 54.12 one-year-olds against 22.36 one-year-olds in Saint Kitts and Nevis, a difference of 31.76 one-year-olds.

That makes Seychelles's figure about 2.4 times Saint Kitts and Nevis's.

The two have swapped places 12 times across 43 shared years of data; in 1981 it was Seychelles ahead.

Seychelles ranks 183rd and Saint Kitts and Nevis ranks 187th of 194 countries.

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

Head to head by decade

Decade Seychelles Saint Kitts and Nevis Difference Ahead
1980s 319.64 one-year-olds 83 one-year-olds 236.64 one-year-olds Seychelles
1990s 36.77 one-year-olds 9.4 one-year-olds 27.36 one-year-olds Seychelles
2000s 20.26 one-year-olds 12.31 one-year-olds 7.95 one-year-olds Seychelles
2010s 31.09 one-year-olds 17.44 one-year-olds 13.65 one-year-olds Seychelles
2020s 65.94 one-year-olds 18.57 one-year-olds 47.36 one-year-olds Seychelles

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, pertussis and tetanus, Seychelles or Saint Kitts and Nevis?
Seychelles, at 54.12 one-year-olds against 22.36 one-year-olds in Saint Kitts and Nevis as of 2023.
What is the difference in number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus between Seychelles and Saint Kitts and Nevis?
31.76 one-year-olds, with Seychelles ahead.
How many years of comparable data are there for Seychelles and Saint Kitts and Nevis?
43 years are reported by both, from 1981 to 2023.
How do Seychelles and Saint Kitts and Nevis rank globally for number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus?
Seychelles ranks 183rd and Saint Kitts and Nevis ranks 187th of 194 countries.
Where does this data come from?
WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Seychelles vs Saint Kitts and Nevis: Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus. Statizoid, drawing on WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 03 September 2026, from https://health.statizoid.com/compare/dtp3-children-unvaccinated/seychelles/st-kitts-and-nevis/

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About this data

Indicator
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus
Unit
one-year-olds
Source
WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
194 places, 7,906 data points, 1980–2023
Last refreshed

Number of one-year-olds who have not had three doses of the combined diphtheria, tetanus and pertussis vaccine in a given year.