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 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): 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: Atheism
Religious Affiliation: Unaffiliated

%

Dig Deeper (Language):

Primary Language: Korean
Language Family: Koreanic

%

Media Resources in Korean:

Films:

No language code (ROL) found for this post.

Bible Resources in Korean:

The filter value is not set for this post.

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 wages of sin is death, but the free gift of God is eternal life in Christ Jesus our Lord.
readRom 6:23

Pray that those who haven't heard yet will hear and believe that the wages of their sin is death, but the free gift of God is eternal life in Christ Jesus our Lord.

Or do you presume on the riches of his kindness and forbearance and patience, not knowing that God’s kindness is meant to lead you to repentance?
readRomans 2:4

Pray that, in God's kindness and according to His nature, He will lead many to repentance.

For if we go on sinning deliberately after receiving the knowledge of the truth, there no longer remains a sacrifice for sins.
readHebrews 10:26

Pray that as people place their faith in Christ, they will live with reverence for God and not deliberately keep sinning after they receive the knowledge of the truth.

For as in one body we have many members, and the members do not all have the same function, so we, though many, are one body in Christ, and individually members one of another.
readRomans 12:4-5

Ask God to send believers to people in other cultures and to help them use their gifts in harmony with others so that the body of Christ may be built up.

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.

Scroll to Top