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PEOPLE GROUP PROFILE

The Koreans of Japan

The Koreans of Japan, numbering approximately 796,000 people, are Engaged yet Unreached. They are an East Asian ethnic group native to the Korean Peninsula, today forming the dominant populations of South Korea and North Korea, with a large global diaspora. They are an Diaspora people in the Korean people cluster of the East Asian Peoples affinity bloc. Their primary language is Korean and their primary religion is Atheism.

Photo by Google. (2026). Image generated by Gemini 3.1 Flash: Korean

Fast Facts:

Affinity Group: East Asian Peoples
Country: Japan
People Cluster: Korean
Primary Language(s): Korean (kor)
Primary Religion(s): Atheism
Population: 796,000
Strategic Progress Index (SPI): Engaged yet Unreached
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Recent CP Activity
People Group ID: PG007572
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Pray for the Koreans of Japan

Join others around the world in praying for the lost to be saved, the gospel to advance, the global Church to grow, and for laborers to be sent out and sustained in the harvest.

Pray Now!
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Dig Deeper (Religion):

Primary Religion: Atheism
Religious Affiliation: Unaffiliated

54%
%
Atheism Adherents

Dig Deeper (Language):

Primary Language: Korean
Language Family: Koreanic

100%
%
Korean Speakers

Media Resources in Korean:

Films:

Provided by the Jesus Film Project

View all resources

Bible Resources in Korean:

Provided by Faith Comes by Hearing

Or check out the Korean bible at Bible.com

Linked from YouVersion

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Explore Lostness and Next Steps

Unengaged and Unreached

Strategic Priority Index (SPI): Unengaged and Unreached (SPI: 1), which means there are less than 2% evangelical Christian populations among which there are no known efforts focused on establishing self-sustaining churches consistent with evangelical faith and practice.
Lostness Priority Index (LPI): Expanding Unreached People Group, (LPI: 2), 0.5% or Greater but Less than 2% Evangelical.
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Recent CP Activity (GSEC: 1), this people group is less than 2% evangelical, some evangelical resources are available, but there has been no active church planting among them within the past two years

Next steps for the Koreans:
Begin signifcant prayer and fasting for this group
Send cross-cultural teams to discover and research this people group
Begin gospel seed sowing and church planting among this group

SPI: Unreached yet Engaged

The Koreans are Engaged yet Unreached, which means there are less than 2% evangelical Christian populations but there are sustained efforts at establishing self-sustaining churches consistent with evangelical faith and practice.

Next steps for the Koreans:
Continue prayer and fasting for this group
Continue gospel seed sowing and church planting among this group
Begin training up local leaders to lead and develop strategies to reach their own people

SPI: No longer Unreached

The Koreans are No Longer Unreached, which means there are more than 2% evangelical Christian populations and there are churches consistent with evangelical faith and practice. There is still more to be done among them.

Next steps for the Koreans:
Empower local believers to begin praying for their own people
Continue gospel seed sowing and church planting
Encourage local leaders to being leading church planting strategy and looking for Unreached and Unengaged groups nearby

Pray specifically for the Koreans of Japan

The sacrifices of God are a broken spirit; a broken and contrite heart, O God, you will not despise.
readPsalm 51:17

Pray that those who want to achieve salvation through their works will be unsettled in their pursuit and that, with a broken spirit and contrite heart, they will trust in Christ.

Lead me in your truth and teach me, for you are the God of my salvation; for you I wait all the day long.
readPsalm 25:5

Pray that the gospel will advance and that God will lead people in His truth, bringing many to salvation.

But in your hearts honor Christ the Lord as holy, always being prepared to make a defense to anyone who asks you for a reason for the hope that is in you; yet do it with gentleness and respect.
read1 Peter 3:15

Pray that as people place their faith in Christ, they will always be prepared to share the reason for the hope that they have in Jesus with gentleness and respect.

For I am not ashamed of the gospel, for it is the power of God for salvation to everyone who believes, to the Jew first and also to the Greek.
readRomans 1:16

Pray that God will raise up sons and daughters who, like Paul, will be bold to share the gospel across cultural barriers so that many might receive salvation.

Korean Across Countries (ROP3 - 105225) reported in the following countries:

To download a comprehensive people group list in spreadsheet form, visit our Research Data page.

Peoplegroups.org relies on updates from the field and other organizations for much of our data, so if you have any updates, please contact us. We use various international naming standards. For a list of these standards and fields, visit our Definitions page.

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