Bulgaria vs Korea, Democratic People's Republic of: Number of one-year-olds who have not received the inactivated polio vaccine

Bulgaria
3,078 one-year-olds
in 2023
Korea, Democratic People's Republic of
3,420 one-year-olds
in 2023
Bulgaria rank
122nd
Korea, Democratic People's Republic of rank
119th

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

  • Bulgaria
  • Korea, Democratic People's Republic of
0100.0k200.0k300.0k201520192023

How they compare

Korea, Democratic People's Republic of currently reports 3,420 one-year-olds against 3,078 one-year-olds in Bulgaria, a difference of 342 one-year-olds.

That makes Korea, Democratic People's Republic of's figure about 1.1 times Bulgaria's.

The two have swapped places 2 times across 9 shared years of data; in 2015 it was Korea, Democratic People's Republic of ahead.

Bulgaria ranks 122nd and Korea, Democratic People's Republic of ranks 119th of 194 countries.

Korea, Democratic People's Republic of has averaged higher in every one of the 2 decades both report.

Head to head by decade

Decade Bulgaria Korea, Democratic People's Republic of Difference Ahead
2010s 3,400 one-year-olds 137,863 one-year-olds 134,463 one-year-olds Korea, Democratic People's Republic of
2020s 3,801 one-year-olds 4,292 one-year-olds 490.45 one-year-olds Korea, Democratic People's Republic of

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, Bulgaria or Korea, Democratic People's Republic of?
Korea, Democratic People's Republic of, at 3,420 one-year-olds against 3,078 one-year-olds in Bulgaria as of 2023.
What is the difference in number of one-year-olds who have not received the inactivated polio vaccine between Bulgaria and Korea, Democratic People's Republic of?
342 one-year-olds, with Korea, Democratic People's Republic of ahead.
How many years of comparable data are there for Bulgaria and Korea, Democratic People's Republic of?
9 years are reported by both, from 2015 to 2023.
How do Bulgaria and Korea, Democratic People's Republic of rank globally for number of one-year-olds who have not received the inactivated polio vaccine?
Bulgaria ranks 122nd and Korea, Democratic People's Republic of ranks 119th 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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Bulgaria vs Korea, Democratic People's Republic of: 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 03 September 2026, from https://health.statizoid.com/compare/ipv1-number-unvaccinated/bulgaria/korea-dem-people-s-rep/

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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.