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PEOPLE GROUP PROFILE

The Sinhalese of Thailand

The Sinhalese of Thailand, numbering approximately 8,200 people, are Unengaged and Unreached. They are a culturally rich and historically significant ethnic group in Sri Lanka, known for their Sinhala language, Theravada Buddhist traditions, and influential role in shaping the island's cultural and political landscape. They are an Diaspora people in the Sinhala people cluster of the South Asian Peoples affinity bloc. Their primary language is Sinhala and their primary religion is Theravada Buddhism.

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

Fast Facts:

Affinity Group: South Asian Peoples
Country: Thailand
People Cluster: Sinhala
Primary Language(s): Sinhala (sin)
Primary Religion(s): Theravada Buddhism
Population: 8,200
Strategic Progress Index (SPI): Unengaged and Unreached
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Recent CP Activity
People Group ID: PG010919
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Pray for the Sinhalese 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: Theravada Buddhism
Religious Affiliation: Buddhism

96%
%
Theravada Buddhism Adherents

Dig Deeper (Language):

Primary Language: Sinhala
Language Family: Indo-European

100%
%
Sinhala Speakers

Media Resources in Sinhala:

Films:

Provided by the Jesus Film Project

View all resources

Bible Resources in Sinhala:

Provided by Faith Comes by Hearing

Or check out the Sinhala 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 Sinhalese:
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 Sinhalese 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 Sinhalese:
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 Sinhalese 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 Sinhalese:
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 Sinhalese of Thailand

And the people of Israel went into the midst of the sea on dry ground, the waters being a wall to them on their right hand and on their left.
readExodus 14:22

Pray that the God who split the sea so that the Israelites might pass through would do another great work among these people, softening the hearts of those who remain lost to the good news and saving them from their sins.

All the ends of the earth shall remember and turn to the LORD, and all the families of the nations shall worship before you. For kingship belongs to the LORD, and he rules over the nations.
readPsalm 22:27-28

Pray that entire families will turn to the Lord in repentance and faith, and that they will worship Him and declare His righteousness to the nations.

But my righteous one shall live by faith, and if he shrinks back, my soul has no pleasure in him.
readHebrews 10:38

Pray that as people trust in Christ, they will live by faith and not shrink back from their hope in Christ.

Oh, magnify the LORD with me, and let us exalt his name together!
readPsalm 34:3

Pray that God will raise up believers who will go to those in this people group who do not yet follow Jesus, and that they will invite many to magnify the Lord with them so that His fame will spread to the ends of the earth.

Sinhalese Across Countries (ROP3 - 109305) 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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