San Marino vs Tuvalu: Number of one-year-olds who are not vaccinated against polio
San Marino
19.89 one-year-olds
in 2023
Tuvalu
13.14 one-year-olds
in 2023
San Marino rank
187th
Tuvalu rank
188th
Number of one-year-olds who are not vaccinated against polio over time
- San Marino
- Tuvalu
How they compare
San Marino currently reports 19.89 one-year-olds against 13.14 one-year-olds in Tuvalu, a difference of 6.75 one-year-olds.
That makes San Marino's figure about 1.5 times Tuvalu's.
The two have swapped places 7 times across 41 shared years of data; in 1983 it was Tuvalu ahead.
San Marino ranks 187th and Tuvalu ranks 188th of 194 countries.
Across the 5 decades both report, San Marino averaged higher in 3 and Tuvalu in 2.
Head to head by decade
| Decade | San Marino | Tuvalu | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 2.31 one-year-olds | 58.38 one-year-olds | 56.07 one-year-olds | Tuvalu |
| 1990s | 5.03 one-year-olds | 41.27 one-year-olds | 36.24 one-year-olds | Tuvalu |
| 2000s | 21.83 one-year-olds | 13.45 one-year-olds | 8.38 one-year-olds | San Marino |
| 2010s | 37.15 one-year-olds | 18.02 one-year-olds | 19.13 one-year-olds | San Marino |
| 2020s | 22.35 one-year-olds | 21.99 one-year-olds | 0.36 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 polio, San Marino or Tuvalu?
- San Marino, at 19.89 one-year-olds against 13.14 one-year-olds in Tuvalu as of 2023.
- What is the difference in number of one-year-olds who are not vaccinated against polio between San Marino and Tuvalu?
- 6.75 one-year-olds, with San Marino ahead.
- How many years of comparable data are there for San Marino and Tuvalu?
- 41 years are reported by both, from 1983 to 2023.
- How do San Marino and Tuvalu rank globally for number of one-year-olds who are not vaccinated against polio?
- San Marino ranks 187th and Tuvalu ranks 188th 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 polio. 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 third dose of either the oral or inactivated polio vaccine in a given year.