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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.

Pray Now!
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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.

There is no speech, nor are there words, whose voice is not heard.
readPsalm 19:3

Pray that God will lead them to His Word, and where it is not available, ask that He will raise up those who will produce gospel media in their heart language.

Even though I walk through the valley of the shadow of death, I will fear no evil, for you are with me; your rod and your staff, they comfort me.
readPsalm 23:4

Pray that as people place their faith in Christ, they will trust in the Lord's presence, even in the darkest valleys.

Now when they heard of the resurrection of the dead, some mocked. But others said, “We will hear you again about this.”
readActs 17:32

Ask God to give those He sends to cross cultures wisdom and discernment as they engage in spiritual conversations with those who are curious about the gospel.

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

Strategic Progress Index
All

1 people group

PhotoPeople Group IDNameCountry ▼PopulationStrategic 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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