Naoero vs San Marino: Number of one-year-olds who have not received the inactivated polio vaccine
Naoero
9.27 one-year-olds
in 2023
San Marino
15.47 one-year-olds
in 2023
Naoero rank
188th
San Marino rank
186th
Number of one-year-olds who have not received the inactivated polio vaccine over time
- Naoero
- San Marino
How they compare
San Marino currently reports 15.47 one-year-olds against 9.27 one-year-olds in Naoero, a difference of 6.2 one-year-olds.
That makes San Marino's figure about 1.7 times Naoero's.
Across all 9 years both countries report, San Marino has been ahead every year.
Naoero ranks 188th and San Marino ranks 186th of 194 countries.
San Marino has averaged higher in every one of the 2 decades both report.
Head to head by decade
| Decade | Naoero | San Marino | Difference | Ahead |
|---|---|---|---|---|
| 2010s | 11.44 one-year-olds | 26.53 one-year-olds | 15.09 one-year-olds | San Marino |
| 2020s | 8.99 one-year-olds | 18.84 one-year-olds | 9.85 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 have not received the inactivated polio vaccine, Naoero or San Marino?
- San Marino, at 15.47 one-year-olds against 9.27 one-year-olds in Naoero as of 2023.
- What is the difference in number of one-year-olds who have not received the inactivated polio vaccine between Naoero and San Marino?
- 6.2 one-year-olds, with San Marino ahead.
- How many years of comparable data are there for Naoero and San Marino?
- 9 years are reported by both, from 2015 to 2023.
- How do Naoero and San Marino rank globally for number of one-year-olds who have not received the inactivated polio vaccine?
- Naoero ranks 188th and San Marino ranks 186th 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 have not received the inactivated polio vaccine. 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 inactivated polio vaccine in a given year.