Seychelles vs Trinidad and Tobago: Number of one-year-olds who are not vaccinated against diphtheria

Seychelles
0.1177 one-year-olds per square kilometre
in 2023
Trinidad and Tobago
0.1283 one-year-olds per square kilometre
in 2023
Seychelles rank
98th
Trinidad and Tobago rank
95th

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

  • Seychelles
  • Trinidad and Tobago
01234198020012023

How they compare

Trinidad and Tobago currently reports 0.1283 one-year-olds per square kilometre against 0.1177 one-year-olds per square kilometre in Seychelles, a difference of 0.0106 one-year-olds per square kilometre.

That makes Trinidad and Tobago's figure about 1.1 times Seychelles's.

The two have swapped places 7 times across 43 shared years of data; in 1981 it was Seychelles ahead.

Seychelles ranks 98th and Trinidad and Tobago ranks 95th of 192 countries.

Trinidad and Tobago has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade Seychelles Trinidad and Tobago Difference Ahead
1980s 0.6949 one-year-olds per square kilometre 1.85 one-year-olds per square kilometre 1.16 one-year-olds per square kilometre Trinidad and Tobago
1990s 0.0799 one-year-olds per square kilometre 0.6126 one-year-olds per square kilometre 0.5326 one-year-olds per square kilometre Trinidad and Tobago
2000s 0.044 one-year-olds per square kilometre 0.3066 one-year-olds per square kilometre 0.2626 one-year-olds per square kilometre Trinidad and Tobago
2010s 0.0676 one-year-olds per square kilometre 0.2554 one-year-olds per square kilometre 0.1878 one-year-olds per square kilometre Trinidad and Tobago
2020s 0.1433 one-year-olds per square kilometre 0.1743 one-year-olds per square kilometre 0.0309 one-year-olds per square kilometre Trinidad and Tobago

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, Seychelles or Trinidad and Tobago?
Trinidad and Tobago, at 0.1283 one-year-olds per square kilometre against 0.1177 one-year-olds per square kilometre in Seychelles as of 2023.
What is the difference in number of one-year-olds who are not vaccinated against diphtheria between Seychelles and Trinidad and Tobago?
0.0106 one-year-olds per square kilometre, with Trinidad and Tobago ahead.
How many years of comparable data are there for Seychelles and Trinidad and Tobago?
43 years are reported by both, from 1981 to 2023.
How do Seychelles and Trinidad and Tobago rank globally for number of one-year-olds who are not vaccinated against diphtheria?
Seychelles ranks 98th and Trinidad and Tobago ranks 95th 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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Seychelles vs Trinidad and Tobago: 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/seychelles/trinidad-and-tobago/

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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/seychelles/trinidad-and-tobago/">Seychelles vs Trinidad and Tobago: 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.