Costa Rica vs Montenegro: Number of one-year-olds who have not received the inactivated polio vaccine

Costa Rica
525.6 one-year-olds
in 2023
Montenegro
515.9 one-year-olds
in 2023
Costa Rica rank
156th
Montenegro rank
157th

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

  • Costa Rica
  • Montenegro
01.0k2.0k3.0k4.0k5.0k201520192023

How they compare

Costa Rica currently reports 525.6 one-year-olds against 515.9 one-year-olds in Montenegro, a difference of 9.7 one-year-olds.

Across all 9 years both countries report, Costa Rica has been ahead every year.

Costa Rica ranks 156th and Montenegro ranks 157th of 194 countries.

Costa Rica has averaged higher in every one of the 2 decades both report.

Head to head by decade

Decade Costa Rica Montenegro Difference Ahead
2010s 2,894 one-year-olds 360.44 one-year-olds 2,534 one-year-olds Costa Rica
2020s 2,028 one-year-olds 466.27 one-year-olds 1,562 one-year-olds Costa Rica

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, Costa Rica or Montenegro?
Costa Rica, at 525.6 one-year-olds against 515.9 one-year-olds in Montenegro as of 2023.
What is the difference in number of one-year-olds who have not received the inactivated polio vaccine between Costa Rica and Montenegro?
9.7 one-year-olds, with Costa Rica ahead.
How many years of comparable data are there for Costa Rica and Montenegro?
9 years are reported by both, from 2015 to 2023.
How do Costa Rica and Montenegro rank globally for number of one-year-olds who have not received the inactivated polio vaccine?
Costa Rica ranks 156th and Montenegro ranks 157th 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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Costa Rica vs Montenegro: 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 31 August 2026, from https://health.statizoid.com/compare/ipv1-number-unvaccinated/costa-rica/montenegro/

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<a href="https://health.statizoid.com/compare/ipv1-number-unvaccinated/costa-rica/montenegro/">Costa Rica vs Montenegro: 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.