Prototype rebuild by the IMB Innovation Team. The official site is peoplegroups.org.

People group profile · PG011241

The Upper Ta-Oy of Vietnam

The Upper Ta-Oy of Vietnam, numbering about 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 are an indigenous people in the Mon-Khmer people cluster of the Southeast Asian Peoples. Their primary religion is Animism, and they primarily speak Upper Ta'oih.

Pray for the Upper Ta-OyPrint profile

AI-generated illustration representing the Upper Ta-Oy people
AI-generated illustration, not a photograph. Photo by Google. (2026). Image generated by Gemini 2.5 Flash: Upper Ta-Oy

Fast facts

Country
Vietnam
Population
24,000
Affinity group
Asian Pacific Rim Peoples
People cluster
Mon-Khmer
Primary language
Upper Ta'oih (tth)
Primary religion
Animism
Strategic Progress Index
Unengaged and Unreached
Evangelical
Less than 2%
GSEC
Less than 2% Evangelical, No Recent CP Activity
Lostness priority
Expanding Unreached People Group
Region
South-Eastern Asia, Asia

Where they live

Gospel status

The Upper Ta-Oy are Unengaged and Unreached, which means fewer than 2% are evangelical Christians, and there has been no reported church planting activity in the past two years. In GSEC terms, 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.

  • Congregations exist No
  • Church planting in the last two years No Churches Planted

Next steps for the Upper Ta-Oy

  • Pray that God would send workers to this people group
  • Begin sowing the gospel and seek out people of peace
  • Plant the first churches consistent with evangelical faith and practice

Primary religion

Animism · Ethnoreligion

98% adherents

Primary language

Upper Ta'oih · Austroasiatic family

100% speak Upper Ta'oih

Gospel resources in Upper Ta'oih

  • Bible available
  • JESUS Film not available
  • Radio programs not available
  • Gospel recordings available
  • Audio resources available
  • Bible stories not available

Find more at the JESUS Film Project, Bible.com and Faith Comes by Hearing.

Pray for the Upper Ta-Oy

  1. John 17:3. Pray that many will come to know the only true God, and Jesus Christ whom he has sent.
  2. Psalm 27:1. Pray that new believers will be strengthened in the face of persecution, with the Lord as their stronghold.
  3. Romans 12:4–5. Pray that believers from many cultures will work together as one body so that the church is built up.
  4. Revelation 7:9. Pray for the day when people from this group stand before the throne with every nation, tribe, people and language.

Download a prayer guide

Ta'oih, Upper in other countries

The same people (ROP3 109837) is reported in 1 other country.

People groupCountryPopulationStatus
Ta OiLaos32,000No Longer Unreached

Know something we don't? Submit updates to IMB Global Research.