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PEOPLE GROUP PROFILE

The Upper Ta-Oy of Vietnam

The Upper Ta-Oy of Vietnam, numbering approximately 24,000 people, are Unengaged and Unreached. They are a Mon-Khmer hill people of Vietnam's A Luoi and Huong Hoa districts near the Laos border, linked by ancestry to the medieval Khmer Empire and calling themselves Taoih, with a related Pa Co subgroup whose name means people who live behind the mountains. They mostly adhere to Animism and Upper Ta'oih is their primary language.

Photo by Google. (2026). Image generated by Gemini 2.5 Flash: Upper Ta-Oy

Fast Facts:

Affinity Group: Southeast Asian Peoples
Country: Vietnam
People Cluster: Mon-Khmer
Primary Language(s): Upper Ta'oih (tth)
Primary Religion(s): Animism
Population: 24,000
Strategic Progress Index (SPI): Unengaged and Unreached
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Recent CP Activity
People Group ID: PG011241
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Pray for the Upper Ta-Oy of Vietnam

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Dig Deeper (Religion):

Primary Religion: Animism
Religious Affiliation: Ethnoreligion

98%
%
Animism Adherents

Dig Deeper (Language):

Primary Language: Upper Ta'oih
Language Family: Austroasiatic

100%
%
Ta’oih, Upper Speakers

Media Resources in Upper Ta'oih:

Films:

No film resources are listed for this language.

Provided by the Jesus Film Project

View all resources

Bible Resources in Upper Ta'oih:

No Bible resources are listed for this language.

Provided by Faith Comes by Hearing

Or check out the Upper Ta'oih 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): Expanding Unreached People Group, (LPI: 2), 0.5% or Greater but Less than 2% 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 Upper Ta-Oy:
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 Upper Ta-Oy of Vietnam

But he said, "What is impossible with man is possible with God."
readLuke 18:27

Praise God that He is the God of impossible things and that He is able to save even those who seem beyond hope.

Ascribe to the LORD, O families of the peoples, ascribe to the LORD glory and strength!
readPsalm 96:7

Pray that entire households will come to faith in Jesus and that God will bless their families with faith in Him for generations to come.

Through him we have also obtained access by faith into this grace in which we stand, and we rejoice in hope of the glory of God.
readRomans 5:2

Pray that as people place their faith in Christ, they will rejoice in the hope of glory and be in awe of God's mercy that gives them access to Him through faith.

He restores my soul. He leads me in paths of righteousness for his name’s sake.
readPsalm 23:3

Pray for believers to go and share the gospel with others here. Ask that God will restore their souls and lead them in paths of righteousness for His name's sake.

Ta'oih, Upper Across Countries (ROP3 - 109837) reported in the following countries:

Strategic Progress Index
All

2 people groups

PhotoPeople Group IDNameCountryPopulation ▼Strategic Progress IndexLanguageReligion
Ta OiPG020964Ta OiLaos32,000No Longer UnreachedUpper Ta'oihAnimism
Upper Ta-OyPG011241Upper Ta-OyVietnam24,000Unengaged and UnreachedUpper Ta'oihAnimism

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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