Portugal vs Sao Tome and Principe: Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus
Portugal
824.42 one-year-olds
in 2023
Sao Tome and Principe
812.63 one-year-olds
in 2023
Portugal rank
155th
Sao Tome and Principe rank
156th
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus over time
- Portugal
- Sao Tome and Principe
How they compare
Portugal currently reports 824.42 one-year-olds against 812.63 one-year-olds in Sao Tome and Principe, a difference of 11.79 one-year-olds.
Across all 43 years both countries report, Portugal has been ahead every year.
Portugal ranks 155th and Sao Tome and Principe ranks 156th of 194 countries.
Portugal has averaged higher in every one of the 5 decades both report.
Head to head by decade
| Decade | Portugal | Sao Tome and Principe | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 28,251 one-year-olds | 1,801 one-year-olds | 26,450 one-year-olds | Portugal |
| 1990s | 6,097 one-year-olds | 1,085 one-year-olds | 5,012 one-year-olds | Portugal |
| 2000s | 3,817 one-year-olds | 279.84 one-year-olds | 3,537 one-year-olds | Portugal |
| 2010s | 1,730 one-year-olds | 248.62 one-year-olds | 1,482 one-year-olds | Portugal |
| 2020s | 845.14 one-year-olds | 430.47 one-year-olds | 414.67 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 diphtheria, pertussis and tetanus, Portugal or Sao Tome and Principe?
- Portugal, at 824.42 one-year-olds against 812.63 one-year-olds in Sao Tome and Principe 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 Sao Tome and Principe?
- 11.79 one-year-olds, with Portugal ahead.
- How many years of comparable data are there for Portugal and Sao Tome and Principe?
- 43 years are reported by both, from 1981 to 2023.
- How do Portugal and Sao Tome and Principe rank globally for number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus?
- Portugal ranks 155th and Sao Tome and Principe ranks 156th 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.