The Koreans of Japan

The Koreans of Japan, numbering approximately 797,000 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 religion is Unaffiliated - Atheism. They primarily speak Korean.

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

Fast Facts:

Affinity Group: Asian Pacific Rim Peoples
Country: Japan
People Cluster: Korean
Primary Language(s): Korean (kor)
Primary Religion(s): Unaffiliated - Atheism
Population: 797,000
Strategic Progress Index (SPI): Engaged yet Unreached
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Active CP Activity
People Group ID: PG007572
View on Joshua Project

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.

Dig Deeper (Religion):

Primary Religion: Unaffiliated - Atheism
Religious Affiliation: Unaffiliated

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Dig Deeper (Language):

Primary Language: Korean
Language Family: Koreanic

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Media Resources in Korean:

Films:

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Bible Resources in Korean:

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Or check out the Korean bible resources at Bible.com

Linked from YouVersion

Next steps for the Koreans

The Koreans are Unengaged and Unreached, 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.

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

Next steps for the Koreans

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.

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

Next steps for the Koreans

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.

Empower local believers to begin praying for their own people
Continue gospel seed sowing and church planting among this group
Encourage local leaders to being leading church planting strategy and looking for Unreached and Unengaged groups nearby

Pray specifically for the Koreans of Japan

For the wrath of God is revealed from heaven against all ungodliness and unrighteousness of men, who by their unrighteousness suppress the truth.
readRomans 1:18

Pray that God will have mercy and open the eyes of those who don't know Jesus, so that they can turn to the One who is able to save them from their sins.

Let the children come to me; do not hinder them, for to such belongs the kingdom of God.
readMark 10:14b

Praise Jesus for the way He loves children, asking that many will learn the truth about Him and come to Him unhindered.

For you are great and do wondrous things; you alone are God. Teach me your way, O Lord, that I may walk in your truth; unite my heart to fear your name.
readPsalm 86:10-11

Pray that as people place their faith in Christ, they will trust in the Lord with all their heart, knowing that He is the one true God and will teach them His ways.

He restores my soul. He leads me in paths of righteousness for his name’s sake.
readPsalm 23:3

Pray for believers to go and share the gospel with others here. Ask that God will restore their souls and lead them in paths of righteousness for His name's sake.

Korean (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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