El Salvador vs Ireland: Number of one-year-olds who are not vaccinated against polio

El Salvador
3,950 one-year-olds
in 2023
Ireland
4,062 one-year-olds
in 2023
El Salvador rank
124th
Ireland rank
121st

Number of one-year-olds who are not vaccinated against polio over time

  • El Salvador
  • Ireland
050.0k100.0k150.0k198020012023

How they compare

Ireland currently reports 4,062 one-year-olds against 3,950 one-year-olds in El Salvador, a difference of 112 one-year-olds.

The two have swapped places 11 times across 44 shared years of data; in 1980 it was El Salvador ahead.

El Salvador ranks 124th and Ireland ranks 121st of 194 countries.

El Salvador has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade El Salvador Ireland Difference Ahead
1980s 85,463 one-year-olds 14,449 one-year-olds 71,014 one-year-olds El Salvador
1990s 25,825 one-year-olds 10,402 one-year-olds 15,423 one-year-olds El Salvador
2000s 9,285 one-year-olds 6,575 one-year-olds 2,711 one-year-olds El Salvador
2010s 9,341 one-year-olds 3,418 one-year-olds 5,923 one-year-olds El Salvador
2020s 7,512 one-year-olds 3,825 one-year-olds 3,687 one-year-olds El Salvador

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, El Salvador or Ireland?
Ireland, at 4,062 one-year-olds against 3,950 one-year-olds in El Salvador as of 2023.
What is the difference in number of one-year-olds who are not vaccinated against polio between El Salvador and Ireland?
112 one-year-olds, with Ireland ahead.
How many years of comparable data are there for El Salvador and Ireland?
44 years are reported by both, from 1980 to 2023.
How do El Salvador and Ireland rank globally for number of one-year-olds who are not vaccinated against polio?
El Salvador ranks 124th and Ireland ranks 121st 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.

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El Salvador vs Ireland: Number of one-year-olds who are not vaccinated against polio. Statizoid, drawing on WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 03 September 2026, from https://health.statizoid.com/compare/polio-number-unvaccinated/el-salvador/ireland/

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About this data

Indicator
Number of one-year-olds who are not vaccinated against polio
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, 7,911 data points, 1980–2023
Last refreshed

Number of one-year-olds who have not had the third dose of either the oral or inactivated polio vaccine in a given year.