The Kui of Thailand

The Kui of Thailand, numbering approximately 377,000 people, are Unengaged and Unreached. They are described as an indigenous ethnic group of mainland southeast Asia They are an Indigenous people, with Kui (Thailand) as their ethnic/kinship group and are in the Mon-Khmer people cluster of the Southeast Asian Peoples. They mostly adhere to Theravada Buddhism and Kuy is their primary language.

Photo by Google. (2026). Image generated by Gemini 2.5 Flash: Kui

Fast Facts:

Affinity Group: Southeast Asian Peoples
Country: Thailand
People Cluster: Mon-Khmer
Primary Language(s): Kuy (kdt)
Primary Religion(s): Theravada Buddhism
Population: 377,000
Strategic Progress Index (SPI): Unengaged and Unreached
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Recent CP Activity
People Group ID: PG010875
View on Joshua Project

Pray for the Kui 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: Theravada Buddhism
Religious Affiliation: Buddhism

83%
%
Theravada Buddhism Adherents

Dig Deeper (Language):

Primary Language: Kuy
Language Family: Austroasiatic

84%
%
Kuay Speakers

Media Resources in Kuy:

Films:
TitleLink
JESUSView Film

1 film

Bible Resources in Kuy:

Bible Name (Translation)VideoAudioText
Wycliffe Bible Translators✓✓✓

1 entry

Or check out the Kuy bible at Bible.com

Linked from YouVersion

Explore Lostness and Next Steps

Unengaged and Unreached

Strategic Priority Index (SPI): Unengaged and Unreached (SPI: 0), 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): Frontier Unreached People Group, (LPI: 0), < 0.1% 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 Kui:
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

Pray specifically for the Kui of Thailand

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.

Be exalted, O God, above the heavens! Let your glory be over all the earth!
readPsalm 57:11

Pray that the lost will learn about God's great love and faithfulness so that they might trust in Christ for their salvation.

No unbelief made him waver concerning the promise of God, but he grew strong in his faith as he gave glory to God.
readRomans 4:20

Pray that as people place their faith in Christ, they will not waver but will grow strong in their belief, knowing that the Lord rewards those who seek Him.

But when one turns to the Lord, the veil is removed.
read2 Corinthians 3:16

Give thanks to God for believers around the world who are willing to cross cultures to share the gospel with those who are perishing. Pray that He will work through their witness to draw many to turn to Him.

Kui Across Countries (ROP3 - 105352) reported in the following countries:

Strategic Progress Index
All

3 people groups

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 Data Standards section.

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