San Marino vs Tonga: Number of one-year-olds who are not vaccinated against measles
San Marino
24.31 one-year-olds
in 2023
Tonga
23.98 one-year-olds
in 2023
San Marino rank
188th
Tonga rank
189th
Number of one-year-olds who are not vaccinated against measles over time
- San Marino
- Tonga
How they compare
San Marino currently reports 24.31 one-year-olds against 23.98 one-year-olds in Tonga, a difference of 0.33 one-year-olds.
The two have swapped places 5 times across 33 shared years of data; in 1991 it was Tonga ahead.
San Marino ranks 188th and Tonga ranks 189th of 194 countries.
Across the 4 decades both report, San Marino averaged higher in 2 and Tonga in 2.
Head to head by decade
| Decade | San Marino | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 5.14 one-year-olds | 225.2 one-year-olds | 220.06 one-year-olds | Tonga |
| 2000s | 22.33 one-year-olds | 83.89 one-year-olds | 61.56 one-year-olds | Tonga |
| 2010s | 45.52 one-year-olds | 41.41 one-year-olds | 4.1 one-year-olds | San Marino |
| 2020s | 24.02 one-year-olds | 23.81 one-year-olds | 0.2175 one-year-olds | San Marino |
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, San Marino or Tonga?
- San Marino, at 24.31 one-year-olds against 23.98 one-year-olds in Tonga as of 2023.
- What is the difference in number of one-year-olds who are not vaccinated against measles between San Marino and Tonga?
- 0.33 one-year-olds, with San Marino ahead.
- How many years of comparable data are there for San Marino and Tonga?
- 33 years are reported by both, from 1991 to 2023.
- How do San Marino and Tonga rank globally for number of one-year-olds who are not vaccinated against measles?
- San Marino ranks 188th and Tonga ranks 189th 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.