Korea, Democratic People's Republic of vs Sri Lanka: Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus

Korea, Democratic People's Republic of
3,420 one-year-olds
in 2023
Sri Lanka
3,246 one-year-olds
in 2023
Korea, Democratic People's Republic of rank
126th
Sri Lanka rank
128th

Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus over time

  • Korea, Democratic People's Republic of
  • Sri Lanka
0100.0k200.0k300.0k198020012023

How they compare

Korea, Democratic People's Republic of currently reports 3,420 one-year-olds against 3,246 one-year-olds in Sri Lanka, a difference of 174 one-year-olds.

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

The two have swapped places 7 times across 44 shared years of data; in 1980 it was Sri Lanka ahead.

Korea, Democratic People's Republic of ranks 126th and Sri Lanka ranks 128th of 194 countries.

Across the 5 decades both report, Korea, Democratic People's Republic of averaged higher in 4 and Sri Lanka in 1.

Head to head by decade

Decade Korea, Democratic People's Republic of Sri Lanka Difference Ahead
1980s 126,384 one-year-olds 124,754 one-year-olds 1,630 one-year-olds Korea, Democratic People's Republic of
1990s 128,868 one-year-olds 28,742 one-year-olds 100,126 one-year-olds Korea, Democratic People's Republic of
2000s 87,109 one-year-olds 6,856 one-year-olds 80,254 one-year-olds Korea, Democratic People's Republic of
2010s 15,905 one-year-olds 3,525 one-year-olds 12,380 one-year-olds Korea, Democratic People's Republic of
2020s 5,150 one-year-olds 9,073 one-year-olds 3,923 one-year-olds Sri Lanka

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 diphtheria, pertussis and tetanus, Korea, Democratic People's Republic of or Sri Lanka?
Korea, Democratic People's Republic of, at 3,420 one-year-olds against 3,246 one-year-olds in Sri Lanka as of 2023.
What is the difference in number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus between Korea, Democratic People's Republic of and Sri Lanka?
174 one-year-olds, with Korea, Democratic People's Republic of ahead.
How many years of comparable data are there for Korea, Democratic People's Republic of and Sri Lanka?
44 years are reported by both, from 1980 to 2023.
How do Korea, Democratic People's Republic of and Sri Lanka rank globally for number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus?
Korea, Democratic People's Republic of ranks 126th and Sri Lanka ranks 128th 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 diphtheria, pertussis and tetanus. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Korea, Democratic People's Republic of vs Sri Lanka: Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus. Statizoid, drawing on WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 07 September 2026, from https://health.statizoid.com/compare/dtp3-children-unvaccinated/korea-dem-people-s-rep/sri-lanka/

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About this data

Indicator
Number of one-year-olds who are not vaccinated against diphtheria, pertussis and tetanus
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, 7,906 data points, 1980–2023
Last refreshed

Number of one-year-olds who have not had three doses of the combined diphtheria, tetanus and pertussis vaccine in a given year.