Which has higher immunization, pol3, South Korea or Sri Lanka?

South Korea, at 97.0% against 97.0% in Sri Lanka as of 2024.

How many years of comparable data are there for South Korea and Sri Lanka?

44 years are reported by both, from 1981 to 2024.

Where does this data come from?

WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/), published as Immunization, Pol3 (% of one-year-old children). Statizoid refreshes it automatically from the source and publishes the full history for both places.

South Korea vs Sri Lanka: Immunization, Pol3 (% of one-year-old children)

South Korea

97.0%

in 2024

Sri Lanka

97.0%

in 2024

South Korea rank

29th

Sri Lanka rank

29th

Immunization, Pol3 (% of one-year-old children) over time

South Korea
Sri Lanka

How they compare

South Korea currently reports 97.0% against 97.0% in Sri Lanka, a difference of 0.0%.

The two have swapped places 7 times across 44 shared years of data; in 1981 it was South Korea ahead.

South Korea ranks 29th and Sri Lanka ranks 29th of 193 countries.

Across the 5 decades both report, South Korea averaged higher in 2 and Sri Lanka in 3.

Head to head by decade

Decade	South Korea	Sri Lanka	Difference	Ahead
1980s	80.2%	69.8%	10.4%	South Korea
1990s	84.5%	91.4%	6.9%	Sri Lanka
2000s	95.3%	98.0%	2.7%	Sri Lanka
2010s	97.9%	99.0%	1.1%	Sri Lanka
2020s	97.4%	97.2%	0.2%	South Korea

Averages of every year both report within each decade.

Frequently asked questions

Which has higher immunization, pol3, South Korea or Sri Lanka?: South Korea, at 97.0% against 97.0% in Sri Lanka as of 2024.
What is the difference in immunization, pol3 between South Korea and Sri Lanka?: 0.0%, with South Korea ahead.
How many years of comparable data are there for South Korea and Sri Lanka?: 44 years are reported by both, from 1981 to 2024.
How do South Korea and Sri Lanka rank globally for immunization, pol3?: South Korea ranks 29th and Sri Lanka ranks 29th of 193 countries.
Where does this data come from?: WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/), published as Immunization, Pol3 (% of one-year-old children). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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South Korea vs Sri Lanka: Immunization, Pol3. Statizoid, drawing on WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/). Retrieved 11 November 2026, from https://health.statizoid.com/compare/immunization-pol3-percent-of-one-year-old-children/korea-rep/sri-lanka/

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<a href="https://health.statizoid.com/compare/immunization-pol3-percent-of-one-year-old-children/korea-rep/sri-lanka/">South Korea vs Sri Lanka: Immunization, Pol3</a> — Statizoid

About this data

Indicator: Immunization, Pol3 (% of one-year-old children)
Unit: % of one-year-old children
Source: WHO and UNICEF (http://www.who.int/immunization/monitoring_surveillance/en/)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 236 places, 9,949 data points, 1980–2024
Last refreshed: 29 October 2026

Child immunization rate, polio, is the percentage of children ages 12-23 months who received polio vaccinations before 12 months or at any time before the survey. A child is considered adequately immunized after three doses.