The Siau Sangirese of Indonesia

The Siau Sangirese of Indonesia, numbering approximately 82,500 people, are No Longer Unreached. They are an Austronesian island people of Indonesia's Sangihe archipelago, migrating through the Philippines and Sulawesi, first exposed to Christianity in 1568 by missionary Mascarenhas, before Dutch rule in 1677 and later Protestant conversion via the Minahasa. They mostly adhere to Protestantism and Sangir is their primary language.

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

Fast Facts:

Affinity Group: Malay Peoples
Country: Indonesia
People Cluster: Minahasa-Sangir of Sulawesi
Primary Language(s): Sangir (sxn)
Primary Religion(s): Protestantism
Population: 82,500
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 5% or Greater but Less than 10% Evangelical
People Group ID: PG022866
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Pray for the Siau Sangirese of Indonesia

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.

Dig Deeper (Religion):

Primary Religion: Protestantism
Religious Affiliation: Christianity

—
%
Protestantism Adherents

Dig Deeper (Language):

Primary Language: Sangir
Language Family: Austronesian

100%
%
Sangir Speakers

Media Resources in Sangir:

Films:
TitleLink
JESUSView Film

1 film

Bible Resources in Sangir:

Bible Name (Translation)VideoAudioText
Today's Sangir Version, 2003✓✓
Today's Siau Version✓
Today's Tagulandang Version✓✓

3 entries

Or check out the Sangir bible at Bible.com

Linked from YouVersion

SPI: No longer Unreached

The Siau Sangirese 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 Siau Sangirese:
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 Siau Sangirese of Indonesia

Hear, O LORD, and be merciful to me! O LORD, be my helper!
readPsalm 30:10

Pray that people in the depths of despair and suffering and living outside of relationship with Christ will cry out to the Lord and find help, peace, and joy in Him.

And the word of God continued to increase, and the number of the disciples multiplied greatly in Jerusalem, and a great many of the priests became obedient to the faith.
readActs 6:7

Pray that the Word of God will be increasingly available to these people in ways they will resonate with so that all may have a chance to respond to the good news of Jesus Christ.

And he brought him outside and said, "Look toward heaven, and number the stars, if you are able to number them." Then he said to him, "So shall your offspring be.”
readGenesis 15:5

Pray that as people place their faith in Christ, they will trust God to keep His promises.

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.

Siau Sangirese Across Countries (ROP3 - 114388) reported in the following countries:

Strategic Progress Index
All

1 people group

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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