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PEOPLE GROUP PROFILE

The Kui of Thailand

The Kui of Thailand, numbering approximately 377,000 people, are Unengaged and Unreached. They are an indigenous ethnic group of mainland southeast Asia. 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
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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.

Pray Now!
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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

Provided by the Jesus Film Project

View all resources

Bible Resources in Kuy:

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

1 entry

Provided by Faith Comes by Hearing

Or check out the Kuy bible at Bible.com

Linked from YouVersion

View all resources

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

But with you there is forgiveness, that you may be feared.
readPsalm 130:4

Pray that God will bring those who have hard hearts to repentance and trust in Christ for the forgiveness of their sins.

The steadfast love of the LORD never ceases; his mercies never come to an end; they are new every morning; great is your faithfulness.
readLamentations 3:23-23

Pray that they will have hope in the Lord, knowing that His compassions never fails and that His mercies are new every morning.

The LORD bless you and keep you.
readNumbers 6:24

Pray that as people place their faith in Christ, they will be blessed with God's grace, trusting that He will never abandon them.

May God be gracious to us and bless us and make his face to shine upon us, that your way may be known on earth, your saving power among all nations.
readPsalm 67:1-2

Pray that as God blesses believers from among this people group or from nearby cultures, He will raise them up to share His saving power among the nations.

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

Strategic Progress Index
All

3 people groups

PhotoPeople Group IDNameCountryPopulationStrategic Progress Index ▼LanguageReligion
KuiPG033465KuiLaos46,500Engaged yet UnreachedKuyEthnoreligion
KuiPG008187KuiCambodia37,500Engaged yet UnreachedKhmerAnimism
KuiPG010875KuiThailand377,000Unengaged and UnreachedKuyTheravada Buddhism

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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