Bahamas vs Sao Tome and Principe: Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus
Bahamas
564.59 one-year-olds
in 2023
Sao Tome and Principe
812.63 one-year-olds
in 2023
Bahamas rank
159th
Sao Tome and Principe rank
156th
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus over time
- Bahamas
- Sao Tome and Principe
How they compare
Sao Tome and Principe currently reports 812.63 one-year-olds against 564.59 one-year-olds in Bahamas, a difference of 248.04 one-year-olds.
That makes Sao Tome and Principe's figure about 1.4 times Bahamas's.
The two have swapped places 11 times across 43 shared years of data; in 1981 it was Bahamas ahead.
Bahamas ranks 159th and Sao Tome and Principe ranks 156th of 194 countries.
Across the 5 decades both report, Bahamas averaged higher in 1 and Sao Tome and Principe in 4.
Head to head by decade
| Decade | Bahamas | Sao Tome and Principe | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 1,240 one-year-olds | 1,801 one-year-olds | 561.04 one-year-olds | Sao Tome and Principe |
| 1990s | 736.78 one-year-olds | 1,085 one-year-olds | 347.84 one-year-olds | Sao Tome and Principe |
| 2000s | 279.39 one-year-olds | 279.84 one-year-olds | 0.447 one-year-olds | Sao Tome and Principe |
| 2010s | 242.53 one-year-olds | 248.62 one-year-olds | 6.09 one-year-olds | Sao Tome and Principe |
| 2020s | 621.77 one-year-olds | 430.47 one-year-olds | 191.3 one-year-olds | Bahamas |
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, Bahamas or Sao Tome and Principe?
- Sao Tome and Principe, at 812.63 one-year-olds against 564.59 one-year-olds in Bahamas as of 2023.
- What is the difference in number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus between Bahamas and Sao Tome and Principe?
- 248.04 one-year-olds, with Sao Tome and Principe ahead.
- How many years of comparable data are there for Bahamas and Sao Tome and Principe?
- 43 years are reported by both, from 1981 to 2023.
- How do Bahamas and Sao Tome and Principe rank globally for number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus?
- Bahamas ranks 159th 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.