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South Korea Population and religion percentage

South Korea, officially the Republic of Korea is a country in East Asia, constituting the southern part of the Korean Peninsula, and sharing a land border with North Korea.

As per the UN World Population Prospects report, the estimated population of South Korea in 2024 is 51,741,962 (51.8 million or 5.18 Crore)

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South korea location on Map

South Korea2024 Population
Total Population51,741,962
Global Rank29th
Share of World Pop.0.66%
Land Area 99,909 sq. km (38,575 sq. mi)
Area Rank107
Pop. Density513 people/sq.km
Growth rate-0.6%
Fertility Rate*1.1
Infant mortality rate**1.8
Median Age 43.7  years
Life Expectancy83.50 years
Urban Population82 %

Religion in South Korea

As per the 2015 Census, more than half of the South Korean population (56.1%) is irreligious and doesn’t affiliate with any religion. Among organized religions, Christianity has the largest number of adherents, followed by Buddhism. 

Chrisanity in South Korea

Chrisanity is the largest religion in South Korea and 27.6% of the population were Christians (19.7% identified themselves as Protestants, 7.9% as Roman Catholics). Among Christian denominations, Presbyterianism is the largest. About nine million people belong to one of the hundred different Presbyterian churches; the biggest ones are the HapDong Presbyterian Church, TongHap Presbyterian Church, and the Koshin Presbyterian Church. South Korea is also the second-largest missionary-sending nation, after the United States.

Buddsimim in South Korea

Buddsimim is the Second largest religion and it is followed by 5.5% of the population. Buddhism was introduced to Korea in the 4th century. and once its dominant religion but declined rapidly in modern times.


Other religions include Islam, Won Buddhism, and a variety of indigenous religions, including Cheondoism (a Confucianizing religion), Jeungsanism, Daejongism, Daesun Jinrihoe, and others. Islam is followed by 130,000 and mostly migrant workers from Pakistan and Bangladesh but including some 35,000 Korean Muslims

Religion percentage in South Korea (Census 2015)

Religion/ AffiliationsPercentage
No religion 56.10%
Christians  28.60%
– Protestantism – 19.70%
– Catholicism – 7.90%
Korean Buddhism 15.50%
Others 0.80%

Source: Census 2015

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Top Cities in South Korea by Population


9ChangwonSouth Gyeongsang10,59,241
14CheongjuNorth Chungcheong8,33,276
16JeonjuNorth Jeolla6,58,172
17CheonanSouth Chungcheong6,29,062

Source: United Nation World  Populations Prospects 

*Fertility rate, average number of children born to women during their reproductive years.

**Infant mortality rate is the number of deaths per 1,000 live births of children under one year of age.

Population of South Korea 2024 | Religion in South Korea