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Amharic - አማርኛ | Arabic - عربي
Bengali - বাংলা | Chinese (Simplified) - 中文（简体）
Chinese (Traditional) - 中文（繁體) | French - Français
German - Deutsch | Gujarati - ગુજરાતી
Hindi - हिन्दी | Indonesian - Bahasa Indonesia
Korean - 한국어 | Nepali - नेपाली
Portugese - Português | Russian - Русский
Spanish - Espanol | Tagalong / Filipino
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PEOPLE GROUP PROFILE

The San Chay of Vietnam

The San Chay of Vietnam, numbering approximately 170,000 people, are No Longer Unreached. They are an ethnolinguistic community of Vietnam They are an Indigenous people, in the Tai people cluster of the Southeast Asian Peoples affinity bloc. Their primary religion is Ethnoreligion. They primarily speak Cao Lan.

San Chay in Vietnam photo
Photo courtesy of Joshua Project. Photo Source: Copyrighted ©️ 2025 Operation China, Asia Harvest Used with permission

Fast Facts:

Affinity Group: Asian Pacific Rim Peoples
Country: Vietnam
People Cluster: Tai
Primary Language(s): Cao Lan (mlc)
Primary Religion(s): Ethnoreligion
Population: 170,000
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 5% or Greater but Less than 10% Evangelical
People Group ID: PG011217
View on Joshua Project

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Pray for the San Chay of Vietnam

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Dig Deeper (Religion):

Primary Religion: Ethnoreligion
Religious Affiliation: Ethnoreligion

%
Ethnoreligion Adherents

Dig Deeper (Language):

Primary Language: Cao Lan
Language Family: Tai-Kadai

%
Cao Lan Speakers

Media Resources in Cao Lan:

Films:

Provided by the Jesus Film Project

View all resources

Bible Resources in Cao Lan:

Provided by Faith Comes by Hearing

Or check out the Cao Lan bible resources at Bible.com

Linked from YouVersion

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Next steps for the San Chay

The San Chay 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 San Chay

The San Chay 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 San Chay

The San Chay 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 San Chay of Vietnam

During those many days the king of Egypt died, and the people of Israel groaned because of their slavery and cried out for help. Their cry for rescue from slavery came up to God. And God heard their groaning, and God remembered his covenant with Abraham, with Isaac, and with Jacob.
readExodus 2:23-24

As the lost among them labor, groan, and cry out under false religions and sin, pray God will have mercy on them and hear their cries, that He will be their Rescuer from the kingdom of darkness and bring them into the kingdom of light.

"You are the salt of the earth, but if the salt has lost its taste, how shall its saltiness be restored? It is no longer good for anything except to be thrown out and trampled under people's feet."
readMatthew 5:13

Pray that the lost will have the opportunity to hear a Christian witness of how the gospel can bring hope and that they will put their faith in Christ.

Your word is a lamp to my feet and a light to my path.
readPsalm 119:105

Pray that as people place their faith in Christ, they will meditate daily on the Word of God so that, through it, they might have wisdom for the big and small decisions they face every day.

I will give thanks to you, O Lord, among the peoples; I will sing praises to you among the nations.
readPsalm 57:9

Pray that God will raise up believers among them who will boldly go and share the gospel with people nearby and with those far away.

Cao Lan (ROP3 - 106205) 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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