Samoa vs Sao Tome and Principe: Number of one-year-olds who are not vaccinated against measles
Samoa
717.6 one-year-olds
in 2023
Sao Tome and Principe
812.63 one-year-olds
in 2023
Samoa rank
158th
Sao Tome and Principe rank
157th
Number of one-year-olds who are not vaccinated against measles over time
- Samoa
- Sao Tome and Principe
How they compare
Sao Tome and Principe currently reports 812.63 one-year-olds against 717.6 one-year-olds in Samoa, a difference of 95.03 one-year-olds.
That makes Sao Tome and Principe's figure about 1.1 times Samoa's.
The two have swapped places 10 times across 42 shared years of data; in 1982 it was Sao Tome and Principe ahead.
Samoa ranks 158th and Sao Tome and Principe ranks 157th of 194 countries.
Across the 5 decades both report, Samoa averaged higher in 3 and Sao Tome and Principe in 2.
Head to head by decade
| Decade | Samoa | Sao Tome and Principe | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 1,150 one-year-olds | 1,963 one-year-olds | 812.87 one-year-olds | Sao Tome and Principe |
| 1990s | 404.25 one-year-olds | 1,648 one-year-olds | 1,244 one-year-olds | Sao Tome and Principe |
| 2000s | 1,946 one-year-olds | 780.42 one-year-olds | 1,166 one-year-olds | Samoa |
| 2010s | 1,619 one-year-olds | 460.8 one-year-olds | 1,158 one-year-olds | Samoa |
| 2020s | 1,495 one-year-olds | 1,035 one-year-olds | 459.73 one-year-olds | Samoa |
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, Samoa or Sao Tome and Principe?
- Sao Tome and Principe, at 812.63 one-year-olds against 717.6 one-year-olds in Samoa as of 2023.
- What is the difference in number of one-year-olds who are not vaccinated against measles between Samoa and Sao Tome and Principe?
- 95.03 one-year-olds, with Sao Tome and Principe ahead.
- How many years of comparable data are there for Samoa and Sao Tome and Principe?
- 42 years are reported by both, from 1982 to 2023.
- How do Samoa and Sao Tome and Principe rank globally for number of one-year-olds who are not vaccinated against measles?
- Samoa ranks 158th and Sao Tome and Principe ranks 157th 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.
Individual pages
About this data
Number of one-year-olds who have not had the first dose of the measles vaccine in a given year.