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

Portugal
1,649 one-year-olds
in 2023
Trinidad and Tobago
1,646 one-year-olds
in 2023
Portugal rank
146th
Trinidad and Tobago rank
147th

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

  • Portugal
  • Trinidad and Tobago
020.0k40.0k60.0k80.0k198020012023

How they compare

Portugal currently reports 1,649 one-year-olds against 1,646 one-year-olds in Trinidad and Tobago, a difference of 3 one-year-olds.

The two have swapped places 12 times across 40 shared years of data; in 1984 it was Portugal ahead.

Portugal ranks 146th and Trinidad and Tobago ranks 147th of 194 countries.

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

Head to head by decade

Decade Portugal Trinidad and Tobago Difference Ahead
1980s 32,680 one-year-olds 16,443 one-year-olds 16,237 one-year-olds Portugal
1990s 6,357 one-year-olds 3,350 one-year-olds 3,007 one-year-olds Portugal
2000s 6,832 one-year-olds 1,723 one-year-olds 5,109 one-year-olds Portugal
2010s 2,029 one-year-olds 1,627 one-year-olds 402.36 one-year-olds Portugal
2020s 1,473 one-year-olds 1,446 one-year-olds 26.89 one-year-olds Portugal

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 measles, Portugal or Trinidad and Tobago?
Portugal, at 1,649 one-year-olds against 1,646 one-year-olds in Trinidad and Tobago as of 2023.
What is the difference in number of one-year-olds who are not vaccinated against measles between Portugal and Trinidad and Tobago?
3 one-year-olds, with Portugal ahead.
How many years of comparable data are there for Portugal and Trinidad and Tobago?
40 years are reported by both, from 1984 to 2023.
How do Portugal and Trinidad and Tobago rank globally for number of one-year-olds who are not vaccinated against measles?
Portugal ranks 146th and Trinidad and Tobago ranks 147th 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 measles. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Portugal vs Trinidad and Tobago: Number of one-year-olds who are not vaccinated against measles. Statizoid, drawing on WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 11 September 2026, from https://health.statizoid.com/compare/measles-number-unvaccinated/portugal/trinidad-and-tobago/

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About this data

Indicator
Number of one-year-olds who are not vaccinated against measles
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, 7,780 data points, 1980–2023
Last refreshed

Number of one-year-olds who have not had the first dose of the measles vaccine in a given year.