Polio number unvaccinated in San Marino

San Marino: Polio number unvaccinated was 19.89 in 2023. ◆ Volatile

Latest (2023)
19.89
Change on year
up 7.2%
World rank
186th
of 192 countries
All-time high
51.2
in 2014
All-time low
2.17
in 1987
Years of data
41
1983–2023

Polio number unvaccinated in San Marino, 1983–2023

010203040501983200320231983: 2.41984: 2.41985: 2.31986: 2.21987: 2.21988: 2.31989: 2.31990: 2.41991: 2.51992: 2.41993: 2.41994: 2.61995: 5.21996: 5.11997: 8.11998: 8.31999: 11.22000: 11.42001: 14.52002: 14.72003: 17.92004: 18.12005: 18.32006: 27.82007: 31.42008: 31.92009: 32.32010: 36.12011: 27.42012: 38.22013: 44.92014: 51.22015: 48.62016: 42.42017: 31.42018: 22.92019: 28.42020: 26.82021: 24.12022: 18.62023: 19.9

Source: Our World in Data.

Analysis

The most recent figure for polio number unvaccinated in San Marino is 19.89, measured in 2023.

That represents a change of up 7.2% on the previous year and down 55.7% over ten years.

Over the whole period, polio number unvaccinated in San Marino peaked at 51.2 in 2014 and was at its lowest, 2.17, in 1987.

San Marino ranks 186th of 192 countries on this measure, in the bottom quarter.

The series is highly variable year to year, so single readings are best treated with caution.

Polio number unvaccinated in San Marino, year by year

Annual values for Polio number unvaccinated in San Marino, 1983 to 2023.
Year Value Change
1983 2.44
1984 2.38 -2.5%
1985 2.34 -1.7%
1986 2.25 -3.8%
1987 2.17 -3.6%
1988 2.29 +5.5%
1989 2.29 +0.0%
1990 2.37 +3.5%
1991 2.5 +5.5%
1992 2.43 -2.8%
1993 2.43 +0.0%
1994 2.6 +7.0%
1995 5.16 +98.5%
1996 5.14 -0.4%
1997 8.1 +57.6%
1998 8.28 +2.2%
1999 11.24 +35.7%
2000 11.44 +1.8%
2001 14.5 +26.7%
2002 14.65 +1.0%
2003 17.88 +22.0%
2004 18.12 +1.3%
2005 18.3 +1.0%
2006 27.81 +52.0%
2007 31.4 +12.9%
2008 31.9 +1.6%
2009 32.3 +1.3%
2010 36.08 +11.7%
2011 27.36 -24.2%
2012 38.17 +39.5%
2013 44.94 +17.7%
2014 51.2 +13.9%
2015 48.6 -5.1%
2016 42.42 -12.7%
2017 31.35 -26.1%
2018 22.95 -26.8%
2019 28.44 +23.9%
2020 26.84 -5.6%
2021 24.1 -10.2%
2022 18.56 -23.0%
2023 19.89 +7.2%

Averages by decade

DecadeAverage LowestHighest Years
1980s 2.31 2.17 2.44 7
1990s 5.03 2.37 11.24 10
2000s 21.83 11.44 32.3 10
2010s 37.15 22.95 51.2 10
2020s 22.35 18.56 26.84 4

Countries ranked near San Marino

  1. 183 Tonga 23.98 compare
  2. 184 Saint Kitts and Nevis 22.36 compare
  3. 185 Antigua and Barbuda 22.18 compare
  4. 187 Tuvalu 13.14 compare
  5. 188 Saint Vincent and the Grenadines 12.38 compare
  6. 189 Naoero 9.27 compare

See the full ranking of 194 places →

More health data for San Marino

All data for San Marino →

Frequently asked questions

What is polio number unvaccinated in San Marino?
Polio number unvaccinated in San Marino was 19.89 in 2023, according to Our World in Data.
What is the highest polio number unvaccinated recorded in San Marino?
The highest recorded value was 51.2 in 2014.
What is the lowest polio number unvaccinated recorded in San Marino?
The lowest recorded value was 2.17 in 1987.
How does San Marino rank for polio number unvaccinated?
San Marino ranks 186th out of 192 countries with data for 2023.
Is polio number unvaccinated rising or falling in San Marino?
Over the last ten years it is down 55.7%. The long-run trend across the full record is volatile.
Where does this San Marino data come from?
The figures come from Our World in Data, published as part of Polio number unvaccinated. Statizoid updates them automatically from the source API.

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Polio number unvaccinated in San Marino. Statizoid, drawing on Our World in Data. Retrieved 25 August 2026, from https://health.statizoid.com/stat/polio-number-unvaccinated/san-marino/

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About this data

Indicator
Polio number unvaccinated
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
194 places, 7,911 data points, 1980–2023
Last refreshed