Download the People Group List (16 languages .csv)

Amharic - አማርኛ | Arabic - عربي
Bengali - বাংলা | Chinese (Simplified) - 中文（简体）
Chinese (Traditional) - 中文（繁體) | French - Français
German - Deutsch | Gujarati - ગુજરાતી
Hindi - हिन्दी | Indonesian - Bahasa Indonesia
Korean - 한국어 | Nepali - नेपाली
Portugese - Português | Russian - Русский
Spanish - Espanol | Tagalong / Filipino
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PEOPLE GROUP PROFILE

The Siang of Indonesia

The Siang of Indonesia, numbering approximately 110,000 people, are No Longer Unreached. They are described as an ethnolinguistic community of Indonesia They are an Indigenous people, with Siang as their ethnic/kinship group and are in the Barito of Kalimantan people cluster of the Malay Peoples. Their primary religion is Animism. They primarily speak Siang.

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

Fast Facts:

Affinity Group: Malay Peoples
Country: Indonesia
People Cluster: Barito of Kalimantan
Primary Language(s): Siang (sya)
Primary Religion(s): Animism
Population: 110,000
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 5% or Greater but Less than 10% Evangelical
People Group ID: PG022591
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Pray for the Siang 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: Animism
Religious Affiliation: Ethnoreligion

98%
%
Animism Adherents

Dig Deeper (Language):

Primary Language: Siang
Language Family: Austronesian

100%
%
Siang Speakers

Media Resources in Siang:

Films:

Provided by the Jesus Film Project

View all resources

Bible Resources in Siang:

Provided by Faith Comes by Hearing

Or check out the Siang bible at Bible.com

Linked from YouVersion

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Explore Lostness and Next Steps

Unengaged and Unreached

Strategic Priority Index (SPI): Unengaged and Unreached (SPI: 2), 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): Moderately Reached People Group, (LPI: 5), 6% to 20% Evangelical.
Global Status of Evangelical Christianity (GSEC): 5% or Greater but Less than 10% Evangelical (GSEC: 5), this people group is greater than or equal to 5% evangelical

Next steps for the Siang:
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 Siang 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 Siang:
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 Siang 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 Siang:
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 Siang of Indonesia

We were buried therefore with him by baptism into death, in order that, just as Christ was raised from the dead by the glory of the Father, we too might walk in newness of life.
readRomans 6:4

Pray that those who need to surrender their lives to Christ will confess their sins and trust in Him, being united with Him in His death and resurrection, walking in newness of life.

For God so loved the world, that he gave his only Son, that whoever believes in him should not perish but have eternal life.
readJohn 3:16

Pray that the lost will seek God and learn that they have a heavenly Father who loves them and wants them to live eternally with Him.

Count it all joy, my brothers, when you meet trials of various kinds, for you know that the testing of your faith produces steadfastness.
readJames 1:2-3

Pray that as people place their faith in Christ, they will consider it pure joy when they face trials of many kinds, trusting in God's promise that the testing of their faith produces perseverance.

O LORD, who shall sojourn in your tent? Who shall dwell on your holy hill? He who walks blamelessly and does what is right and speaks truth in his heart.
readPsalm 15:1-2

Ask God to send believers who will go and, with integrity, walk blamelessly and do what is right, speaking truth about the Lord with those who need to learn about His redemption plan.

Siang Across Countries (ROP3 - 108981) 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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