Christianity by country

How Many Christians Are in South Korea?

16 millionChristians, about 31.0% of the population (Korea Research survey, 2025)

The short answer

South Korea is home to about 16 million Christians, roughly 31.0% of its 51.5 million people (Korea Research survey, 2025). It is a country with a large Christian population.

The churches of South Korea

The Christian churches of South Korea are Protestant 20%, Roman Catholic 11%.

You are welcome here

Behind every number is a soul God loves. Wherever you are, meet Jesus, or ask for prayer.

Christians in other countries

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The Living Bread. “How Many Christians Are in South Korea?” living-bread.org/how-many-christians-in-south-korea.

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Population from Wikidata; Christian share from Korea Research survey (2025); estimates differ between sources. We cite, and we never invent figures.

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