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PEOPLE GROUP PROFILE

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

Be still, and know that I am God. I will be exalted among the nations, I will be exalted in the earth!
readPsalm 46:10

Pray that those who do not yet worship Jesus will be still and know that He is God, that He will be exalted among them and in all the earth.

For from the rising of the sun to its setting my name will be great among the nations, and in every place incense will be offered to my name, and a pure offering. For my name will be great among the nations, says the LORD of hosts.
readMalachi 1:11

Pray that they will worship God in spirit and truth, offering Him the sacrifices of praise and thanksgiving that He desires.

For you did not receive the spirit of slavery to fall back into fear, but you have received the Spirit of adoption as sons, by whom we cry, “Abba! Father!”
readRomans 8:15

Pray that as people place their faith in Christ, they will remember the God who has given them freedom from fear so that they will trust Him completely as their good Father who meets all their needs.

You also must help us by prayer, so that many will give thanks on our behalf for the blessing granted us through the prayers of many.
read2 Corinthians 1:11

Pray that many people will join in praying for the spread of the gospel here, and that God will answer these prayers by drawing more people to Himself.

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

Strategic Progress Index
All

1 people group

PhotoPeople Group IDNameCountryPopulation ▼Strategic 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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