Portugal vs Trinidad and Tobago: Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus
Portugal
824.42 one-year-olds
in 2023
Trinidad and Tobago
658.36 one-year-olds
in 2023
Portugal rank
155th
Trinidad and Tobago rank
158th
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus over time
- Portugal
- Trinidad and Tobago
How they compare
Portugal currently reports 824.42 one-year-olds against 658.36 one-year-olds in Trinidad and Tobago, a difference of 166.06 one-year-olds.
That makes Portugal's figure about 1.3 times Trinidad and Tobago's.
The two have swapped places 12 times across 44 shared years of data; in 1980 it was Portugal ahead.
Portugal ranks 155th and Trinidad and Tobago ranks 158th of 194 countries.
Across the 5 decades both report, Portugal averaged higher in 4 and Trinidad and Tobago in 1.
Head to head by decade
| Decade | Portugal | Trinidad and Tobago | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 29,685 one-year-olds | 10,729 one-year-olds | 18,957 one-year-olds | Portugal |
| 1990s | 6,097 one-year-olds | 3,143 one-year-olds | 2,954 one-year-olds | Portugal |
| 2000s | 3,817 one-year-olds | 1,573 one-year-olds | 2,244 one-year-olds | Portugal |
| 2010s | 1,730 one-year-olds | 1,310 one-year-olds | 420.16 one-year-olds | Portugal |
| 2020s | 845.14 one-year-olds | 893.96 one-year-olds | 48.81 one-year-olds | 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, pertussis and tetanus, Portugal or Trinidad and Tobago?
- Portugal, at 824.42 one-year-olds against 658.36 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 diphtheria, pertussis and tetanus between Portugal and Trinidad and Tobago?
- 166.06 one-year-olds, with Portugal ahead.
- How many years of comparable data are there for Portugal and Trinidad and Tobago?
- 44 years are reported by both, from 1980 to 2023.
- How do Portugal and Trinidad and Tobago rank globally for number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus?
- Portugal ranks 155th and Trinidad and Tobago ranks 158th 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.
Individual pages
About this data
Number of one-year-olds who have not had three doses of the combined diphtheria, tetanus and pertussis vaccine in a given year.