Download the People Group List (16 languages .csv)

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 Yoy of Thailand

The Yoy of Thailand, numbering approximately 6,300 people, are No Longer Unreached. They are described as an ethnolinguistic community of Thailand They are an Indigenous people, with Yoy as their ethnic/kinship group and are in the Tai people cluster of the Southeast Asian Peoples. Their primary religion is Animism. They primarily speak Yoy.

Photo by Google. (2026). Image generated by Gemini 2.5 Flash: Yoy

Fast Facts:

Affinity Group: Southeast Asian Peoples
Country: Thailand
People Cluster: Tai
Primary Language(s): Yoy (yoy)
Primary Religion(s): Animism
Population: 6,300
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical
People Group ID: PG010940
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Pray for the Yoy of Thailand

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

50%
%

Dig Deeper (Language):

Primary Language: Yoy
Language Family: Tai-Kadai

79%
%

Media Resources in Yoy:

Films:

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Provided by the Jesus Film Project

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Bible Resources in Yoy:

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Provided by Faith Comes by Hearing

Or check out the Yoy bible at Bible.com

Linked from YouVersion

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Explore Lostness and Next Steps

Unengaged and Unreached

Strategic Priority Index (SPI): Unengaged and Unreached (SPI: 2), 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): Minimally Reached People Group, (LPI: 3), 2% to 3% Evangelical.
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical (GSEC: 4), this people group is greater than or equal to 2% evangelical

Next steps for the Yoy:
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

SPI: Unreached yet Engaged

The Yoy 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.

Next steps for the Yoy:
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

SPI: No longer Unreached

The Yoy 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.

Next steps for the Yoy:
Empower local believers to begin praying for their own people
Continue gospel seed sowing and church planting
Encourage local leaders to being leading church planting strategy and looking for Unreached and Unengaged groups nearby

Pray specifically for the Yoy of Thailand

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.

For your steadfast love is great to the heavens, your faithfulness to the clouds.
readPsalm 57:10

Pray that God will work, even in the hearts of hard-to-reach people, and that they will rejoice in His steadfast love and faithfulness.

And after she was baptized, and her household as well, she urged us, saying, “If you have judged me to be faithful to the Lord, come to my house and stay.” And she prevailed upon us.
readActs 16:15

Pray that God will bring entire families and households to faith in Him and raise up servant-leaders from among them.

Oh give thanks to the LORD; call upon his name; make known his deeds among the peoples!
readPsalm 105:1

Pray that many among them will call on the name of Jesus, develop a heart for the nations, and go to places where the gospel has not yet been received.

Yoy Across Countries (ROP3 - 111101) 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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