Share of one-year-olds who are vaccinated against polio in San Marino
San Marino: Share of one-year-olds who are vaccinated against polio was 88.0% in 2024. ▼ Falling
Share of one-year-olds who are vaccinated against polio in San Marino, 1983–2024
Source: WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Measured in %.
Analysis
In 2024, share of one-year-olds who are vaccinated against polio in San Marino stood at 88.0%.
Compared with earlier readings it is down 3.3% on the previous year and up 4.8% over ten years.
Over the whole period, share of one-year-olds who are vaccinated against polio in San Marino peaked at 99.0% in 1983 and was at its lowest, 84.0%, in 2014.
San Marino ranks 112th of 194 countries on this measure, in the middle of the range.
The long-run direction has been consistently falling across the 42 years of available data.
Share of one-year-olds who are vaccinated against polio in San Marino, year by year
| Year | % | Change |
|---|---|---|
| 1983 | 99.0% | — |
| 1984 | 99.0% | +0.0% |
| 1985 | 99.0% | +0.0% |
| 1986 | 99.0% | +0.0% |
| 1987 | 99.0% | +0.0% |
| 1988 | 99.0% | +0.0% |
| 1989 | 99.0% | +0.0% |
| 1990 | 99.0% | +0.0% |
| 1991 | 99.0% | +0.0% |
| 1992 | 99.0% | +0.0% |
| 1993 | 99.0% | +0.0% |
| 1994 | 99.0% | +0.0% |
| 1995 | 98.0% | -1.0% |
| 1996 | 98.0% | +0.0% |
| 1997 | 97.0% | -1.0% |
| 1998 | 97.0% | +0.0% |
| 1999 | 96.0% | -1.0% |
| 2000 | 96.0% | +0.0% |
| 2001 | 95.0% | -1.0% |
| 2002 | 95.0% | +0.0% |
| 2003 | 94.0% | -1.1% |
| 2004 | 94.0% | +0.0% |
| 2005 | 94.0% | +0.0% |
| 2006 | 91.0% | -3.2% |
| 2007 | 90.0% | -1.1% |
| 2008 | 90.0% | +0.0% |
| 2009 | 90.0% | +0.0% |
| 2010 | 89.0% | -1.1% |
| 2011 | 92.0% | +3.4% |
| 2012 | 89.0% | -3.3% |
| 2013 | 86.0% | -3.4% |
| 2014 | 84.0% | -2.3% |
| 2015 | 85.0% | +1.2% |
| 2016 | 86.0% | +1.2% |
| 2017 | 89.0% | +3.5% |
| 2018 | 91.0% | +2.2% |
| 2019 | 88.0% | -3.3% |
| 2020 | 89.0% | +1.1% |
| 2021 | 90.0% | +1.1% |
| 2022 | 92.0% | +2.2% |
| 2023 | 91.0% | -1.1% |
| 2024 | 88.0% | -3.3% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 99.0% | 99.0% | 99.0% | 7 |
| 1990s | 98.1% | 96.0% | 99.0% | 10 |
| 2000s | 92.9% | 90.0% | 96.0% | 10 |
| 2010s | 87.9% | 84.0% | 92.0% | 10 |
| 2020s | 90.0% | 88.0% | 92.0% | 5 |
Countries ranked near San Marino
- 112 Belize 88.0% compare
- 112 Dominican Republic 88.0% compare
- 112 Germany 88.0% compare
- 112 Philippines 88.0% compare
- 112 Ukraine 88.0% compare
More health data for San Marino
- Estimated changes in temperature-related death rates compared to projected death rates 1,081 deaths per 1,000 people (2090)
- Heat deaths vs projected death rates, annual growth rate 0.3342 % change on previous year (2090)
- Number of infants who die before age 1 0 deaths (2100)
- Age population, age 09, female, interpolated 142 (2025)
- Population, male 16,773 (2025)
- Age population, age 08, male, interpolated 133 (2025)
- Age population, age 08, female, interpolated 127 (2025)
- Age population, age 07, male, interpolated 127 (2025)
- Age population, age 06, female, interpolated 125 (2025)
- Age population, age 14, female, interpolated 177 (2025)
Frequently asked questions
- What is share of one-year-olds who are vaccinated against polio in San Marino?
- Share of one-year-olds who are vaccinated against polio in San Marino was 88.0% in 2024, according to WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data.
- What is the highest share of one-year-olds who are vaccinated against polio recorded in San Marino?
- The highest recorded value was 99.0% in 1983.
- What is the lowest share of one-year-olds who are vaccinated against polio recorded in San Marino?
- The lowest recorded value was 84.0% in 2014.
- How does San Marino rank for share of one-year-olds who are vaccinated against polio?
- San Marino ranks 112th out of 194 countries with data for 2024.
- Is share of one-year-olds who are vaccinated against polio rising or falling in San Marino?
- Over the last ten years it is up 4.8%. The long-run trend across the full record is falling.
- Where does this San Marino data come from?
- The figures come from WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Share of one-year-olds who are vaccinated against polio. Statizoid updates them automatically from the source API.
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About this data
Share of one-year-olds who have had the third dose of either the oral or inactivated polio vaccine in a given year.