Marshall Islands vs San Marino: Number of one-year-olds who have not received the inactivated polio vaccine

Marshall Islands
16.86 one-year-olds
in 2023
San Marino
15.47 one-year-olds
in 2023
Marshall Islands rank
185th
San Marino rank
186th

Number of one-year-olds who have not received the inactivated polio vaccine over time

  • Marshall Islands
  • San Marino
2030405060201520192023

How they compare

Marshall Islands currently reports 16.86 one-year-olds against 15.47 one-year-olds in San Marino, a difference of 1.39 one-year-olds.

That makes Marshall Islands's figure about 1.1 times San Marino's.

Across all 9 years both countries report, Marshall Islands has been ahead every year.

Marshall Islands ranks 185th and San Marino ranks 186th of 194 countries.

Marshall Islands has averaged higher in every one of the 2 decades both report.

Head to head by decade

Decade Marshall Islands San Marino Difference Ahead
2010s 43.22 one-year-olds 26.53 one-year-olds 16.69 one-year-olds Marshall Islands
2020s 29.57 one-year-olds 18.84 one-year-olds 10.73 one-year-olds Marshall Islands

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, Marshall Islands or San Marino?
Marshall Islands, at 16.86 one-year-olds against 15.47 one-year-olds in San Marino as of 2023.
What is the difference in number of one-year-olds who have not received the inactivated polio vaccine between Marshall Islands and San Marino?
1.39 one-year-olds, with Marshall Islands ahead.
How many years of comparable data are there for Marshall Islands and San Marino?
9 years are reported by both, from 2015 to 2023.
How do Marshall Islands and San Marino rank globally for number of one-year-olds who have not received the inactivated polio vaccine?
Marshall Islands ranks 185th 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.

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Marshall Islands vs San Marino: Number of one-year-olds who have not received the inactivated polio vaccine. Statizoid, drawing on WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 29 August 2026, from https://health.statizoid.com/compare/ipv1-number-unvaccinated/marshall-islands/san-marino/

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<a href="https://health.statizoid.com/compare/ipv1-number-unvaccinated/marshall-islands/san-marino/">Marshall Islands vs San Marino: Number of one-year-olds who have not received the inactivated polio vaccine</a> — Statizoid

About this data

Indicator
Number of one-year-olds who have not received the inactivated polio vaccine
Unit
one-year-olds
Source
WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
194 places, 1,629 data points, 2015–2023
Last refreshed

Number of one-year-olds who have not had the first dose of the inactivated polio vaccine in a given year.