The Isaan of Thailand

The Isaan of Thailand, numbering approximately 18,600,000 people, are Engaged yet Unreached. They are an ethnolinguistic group native to Northeastern Thailand. They are primarily ethnic Lao, and their identity reflects a blend of Lao heritage, Thai national integration, and regional distinctiveness They are an Indigenous people, in the Thai people cluster of the Southeast Asian Peoples affinity bloc. Their primary religion is Buddhism - Theravada. They primarily speak Thai, Northeastern.

Isaan in Thailand photo
Photo courtesy of Joshua Project. Photo Source: Copyrighted ©️ 2025 Hansamurano - Shutterstock Used with permission

Fast Facts:

Affinity Group: Asian Pacific Rim Peoples
Country: Thailand
People Cluster: Thai
Primary Language(s): Thai, Northeastern (tts)
Primary Religion(s): Buddhism - Theravada
Population: 18,600,000
Strategic Progress Index (SPI): Engaged yet Unreached
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Active CP Activity
People Group ID: PG010862
View on Joshua Project

Pray for the Isaan of Thailand

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: Buddhism - Theravada
Religious Affiliation: Buddhism

%
Buddhism - Theravada Adherents

Dig Deeper (Language):

Primary Language: Thai, Northeastern
Language Family: Tai-Kadai

%
Thai, Northeastern Speakers

Media Resources in Thai, Northeastern:

Films:

Bible Resources in Thai, Northeastern:

Or check out the Thai, Northeastern bible resources at Bible.com

Linked from YouVersion

Next steps for the Isaan

The Isaan 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 Isaan

The Isaan 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 Isaan

The Isaan 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 Isaan of Thailand

Let the peoples praise you, O God; let all the peoples praise you!
readPsalm 67:3

Pray that those who are lost and unaware of God's blessings will come to know Him as the one true God, put their trust in Him, and join in praising Him among the nations.

“I was ready to be sought by those who did not ask for me; I was ready to be found by those who did not seek me. I said, ‘Here I am, here I am,’ to a nation that was not called by my name."
readIsaiah 65:1

Pray that the lost will be found by God, even when they are not seeking Him. Pray that He will reveal Himself to them in a way they cannot ignore and that they will respond in faith.

Let us hold fast the confession of our hope without wavering, for he who promised is faithful.
readHebrews 10:23

Pray that as people place their faith in Christ, they will cling tightly to the hope they have in God to faithfully keep His promises.

I do it all for the sake of the gospel, that I may share with them in its blessing.
read1 Corinthians 9:23

Ask God to give believers a deep desire to share the gospel with those who don't know the truth about God's redemption plan, and to provide them with opportunities to do so cross-culturally.

Thai, Northeastern (ROP3 - 109994) 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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