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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

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.

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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

Claiming to be wise, they became fools.
readRomans 1:22

Ask God to pour out His mercy and bring those who are walking in their own wisdom to faith in Jesus.

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

Pray that they will receive the Word of God as a lamp to their feet and commit their ways to Him.

For you are great and do wondrous things; you alone are God. Teach me your way, O Lord, that I may walk in your truth; unite my heart to fear your name.
readPsalm 86:10-11

Pray that as people place their faith in Christ, they will trust in the Lord with all their heart, knowing that He is the one true God and will teach them His ways.

The true light, which gives light to everyone, was coming into the world. He was in the world, and the world was made through him, yet the world did not know him.
readJohn 1:9-10

Pray for those God might send to share the gospel here. Ask that they will grow closer to Jesus and be compelled to share His good news with people who don't know it.

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

Strategic Progress Index
All

2 people groups

PhotoPeople Group IDNameCountryPopulationStrategic Progress IndexLanguage ▲Religion
Upper Ta-OyPG011241Upper Ta-OyVietnam24,000Unengaged and UnreachedUpper Ta'oihAnimism
Ta OiPG020964Ta OiLaos32,000No Longer 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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