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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.

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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

Provided by the Jesus Film Project

View all resources

Bible Resources in Sangir:

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

3 entries

Provided by Faith Comes by Hearing

Or check out the Sangir bible at Bible.com

Linked from YouVersion

View all resources

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

But your iniquities have made a separation between you and your God, and your sins have hidden his face from you so that he does not hear.
readIsaiah 59:2

Pray that those who are separated from God will turn to Him in humility and repentance, seeking His forgiveness and the restoration of a right relationship with their Heavenly Father.

Declare his glory among the nations, his marvelous works among all the peoples!
readPsalm 96:3

Pray for people to hear and believe the good news of Jesus and joyfully share it with their family and friends.

The LORD make his face to shine upon you and be gracious to you.
readNumbers 6:25

Pray that as people place their faith in Christ, they will remember that He has given them His favor and His presence.

But when one turns to the Lord, the veil is removed.
read2 Corinthians 3:16

Give thanks to God for believers around the world who are willing to cross cultures to share the gospel with those who are perishing. Pray that He will work through their witness to draw many to turn to Him.

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

Strategic Progress Index
All

1 people group

PhotoPeople Group IDName ▼CountryPopulationStrategic Progress IndexLanguageReligion
Siau SangiresePG022866Siau SangireseIndonesia82,500No Longer UnreachedSangirProtestantism

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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