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People group profile · PG010862

The Isaan of Thailand

The Isaan of Thailand, numbering about 18,610,000 people, are Engaged yet Unreached. They are an ethnolinguistic group native to Northeastern Thailand. They are primarily ethnic Lao, and their identity reflects a blend of Lao heritage, Thai national integration, and regional distinctiveness.

They are an indigenous people in the Thai people cluster of the Southeast Asian Peoples. Their primary religion is Theravada Buddhism, and they primarily speak Northeastern Thai.

Pray for the IsaanPrint profile

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

Fast facts

Country
Thailand
Population
18,610,000
Affinity group
Asian Pacific Rim Peoples
People cluster
Thai
Primary language
Northeastern Thai (tts)
Primary religion
Theravada Buddhism
Strategic Progress Index
Engaged yet Unreached
Evangelical
Less than 2%
GSEC
Less than 2% Evangelical, No Recent CP Activity
Lostness priority
Pioneer Unreached People Group
Region
South-Eastern Asia, Asia
Location
Chiang Mai, Chiang Rai, Lampang, Lamphun, Nan, Phayao, and Phrae provinces

Where they live

Gospel status

The Isaan are Engaged yet Unreached, which means fewer than 2% are evangelical Christians, but there are sustained efforts to establish self-sustaining churches consistent with evangelical faith and practice. 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 Yes
  • Church planting in the last two years No Churches Planted

Next steps for the Isaan

  • 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

Primary religion

Theravada Buddhism · Buddhism

60% adherents

Primary language

Northeastern Thai · Tai-Kadai family

80% speak Northeastern Thai

Gospel resources in Northeastern Thai

  • Bible available, published 2016
  • JESUS Film 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 Isaan

  1. 2 Timothy 2:2. Pray for faithful local leaders who will teach others, so that the church multiplies.
  2. Ephesians 5:8. Pray that those walking in darkness will turn to the light and live as children of light.
  3. Romans 10:14–15. Ask God to send messengers, so that people can hear, believe and call on the name of the Lord.
  4. Matthew 9:37–38. Ask the Lord of the harvest to send out laborers into his harvest field.

Download a prayer guide

Thai, Northeastern in other countries

The same people (ROP3 109994) is reported in 1 other country.

People groupCountryPopulationStatus
IsaanUnited States1,300Unengaged and Unreached

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