Which has higher population, ASEAN or South Korea?

ASEAN, at 566,945 against 46,871 in South Korea as of 2030.

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

41 years are reported by both, from 1990 to 2030.

Where does this data come from?

International Labour Organization, published as Population (UN estimates and projections). Statizoid refreshes it automatically from the source and publishes the full history for both places.

ASEAN vs South Korea: Population (UN estimates and projections)

ASEAN

566,945

in 2030

South Korea

46,871

in 2030

ASEAN rank

27th

South Korea rank

26th

Population (UN estimates and projections) over time

ASEAN
South Korea

How they compare

ASEAN currently reports 566,945 against 46,871 in South Korea, a difference of 520,074.

That makes ASEAN's figure about 12.1 times South Korea's.

Across all 41 years both countries report, ASEAN has been ahead every year.

ASEAN ranks 27th and South Korea ranks 26th of 91 groups.

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

Head to head by decade

Decade	ASEAN	South Korea	Difference	Ahead
1990s	313,336	34,698	278,638	ASEAN
2000s	392,273	38,542	353,731	ASEAN
2010s	466,515	43,392	423,123	ASEAN
2020s	531,720	46,268	485,451	ASEAN
2030s	566,945	46,871	520,074	ASEAN

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population, ASEAN or South Korea?: ASEAN, at 566,945 against 46,871 in South Korea as of 2030.
What is the difference in population between ASEAN and South Korea?: 520,074, with ASEAN ahead.
How many years of comparable data are there for ASEAN and South Korea?: 41 years are reported by both, from 1990 to 2030.
How do ASEAN and South Korea rank globally for population?: ASEAN ranks 27th and South Korea ranks 26th of 91 groups.
Where does this data come from?: International Labour Organization, published as Population (UN estimates and projections). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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ASEAN vs South Korea: Population. Statizoid, drawing on International Labour Organization. Retrieved 24 October 2026, from https://gender.statizoid.com/compare/population-un-estimates-and-projections/asean/korea-rep/

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About this data

Indicator: Population (UN estimates and projections)
Source: International Labour Organization
Licence: ILO Terms of Use (attribution required)
Coverage: 280 places, 11,480 data points, 1990–2030
Last refreshed: 05 September 2026

Imputed observations are not based on national data, are subject to high uncertainty and should not be used for country comparisons or rankings. The total population comprises persons of all ages who were living in the country during the reference period, regardless of residency status or citizenship. The source for the population figures used is the United Nations' World Population Prospects. For more information, refer to the ILO Modelled Estimates (ILOEST) database description.