Sao Tome and Principe vs Trinidad and Tobago: Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus
Sao Tome and Principe
812.63 one-year-olds
in 2023
Trinidad and Tobago
658.36 one-year-olds
in 2023
Sao Tome and Principe rank
156th
Trinidad and Tobago rank
158th
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus over time
- Sao Tome and Principe
- Trinidad and Tobago
How they compare
Sao Tome and Principe currently reports 812.63 one-year-olds against 658.36 one-year-olds in Trinidad and Tobago, a difference of 154.27 one-year-olds.
That makes Sao Tome and Principe's figure about 1.2 times Trinidad and Tobago's.
The two have swapped places 3 times across 43 shared years of data; in 1981 it was Trinidad and Tobago ahead.
Sao Tome and Principe ranks 156th and Trinidad and Tobago ranks 158th of 194 countries.
Trinidad and Tobago has averaged higher in every one of the 5 decades both report.
Head to head by decade
| Decade | Sao Tome and Principe | Trinidad and Tobago | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 1,801 one-year-olds | 9,509 one-year-olds | 7,708 one-year-olds | Trinidad and Tobago |
| 1990s | 1,085 one-year-olds | 3,143 one-year-olds | 2,058 one-year-olds | Trinidad and Tobago |
| 2000s | 279.84 one-year-olds | 1,573 one-year-olds | 1,293 one-year-olds | Trinidad and Tobago |
| 2010s | 248.62 one-year-olds | 1,310 one-year-olds | 1,062 one-year-olds | Trinidad and Tobago |
| 2020s | 430.47 one-year-olds | 893.96 one-year-olds | 463.48 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, Sao Tome and Principe or Trinidad and Tobago?
- Sao Tome and Principe, at 812.63 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 Sao Tome and Principe and Trinidad and Tobago?
- 154.27 one-year-olds, with Sao Tome and Principe ahead.
- How many years of comparable data are there for Sao Tome and Principe and Trinidad and Tobago?
- 43 years are reported by both, from 1981 to 2023.
- How do Sao Tome and Principe and Trinidad and Tobago rank globally for number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus?
- Sao Tome and Principe ranks 156th 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.