The Bukar Sadong of Indonesia

The Bukar Sadong of Indonesia, numbering approximately 11,500 people, are No Longer Unreached. They are an indigenous community of Indonesia. They are an Indigenous people in the Borneo-Kalimantan people cluster of the Malay Peoples affinity bloc. Their primary language is Bidayuh Serian and their primary religion is Animism.

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

Fast Facts:

Affinity Group: Malay Peoples
Country: Indonesia
People Cluster: Borneo-Kalimantan
Primary Language(s): Bidayuh Serian (sdo)
Primary Religion(s): Animism
Population: 11,500
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG022557
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Pray for the Bukar Sadong 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: Animism
Religious Affiliation: Ethnoreligion

81%
%
Animism Adherents

Dig Deeper (Language):

Primary Language: Bidayuh Serian
Language Family: Austronesian

76%
%
Bidayuh Serian Speakers

Media Resources in Bidayuh Serian:

Films:

No entries found for: Bidayuh Serian(sdo). Help build some!

Bible Resources in Bidayuh Serian:

Or check out the Bidayuh Serian bible at Bible.com

Linked from YouVersion

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): 10% or Greater Evangelical (GSEC: 6), this people group is greater than or equal to 10% evangelical

Next steps for the Bukar Sadong:
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 Bukar Sadong 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 Bukar Sadong:
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 Bukar Sadong 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 Bukar Sadong:
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 Bukar Sadong of Indonesia

"For it is easier for a camel to go through the eye of a needle than for a rich person to enter the kingdom of God." Those who heard it said, "Then who can be saved?" But he said "What is impossible with man is possible with God."
readLuke 18:25-27

Pray that the lost who think they have everything they need will recognize their spiritual poverty apart from Jesus and turn to Him in faith.

You adulterous people! Do you not know that friendship with the world is enmity with God? Therefore whoever wishes to be a friend of the world makes himself an enemy of God.
readJames 4:4

Pray that the lost will be convicted of their friendship with the world, which is hostility toward God, and that they will turn from their sin and embrace the grace and mercy of God through Christ Jesus.

All the ends of the earth shall remember and turn to the LORD, and all the families of the nations shall worship before you.
readPsalm 22:27

Pray that all families of the nations will worship the Lord in spirit and in truth.

And God has appointed in the church first apostles, second prophets, third teachers, then miracles, then gifts of healing, helping, administrating, and various kinds of tongues.
read2 Corinthians 12:28

Ask God to raise up believers who will faithfully proclaim the good news and equip others to do the same.

Bukar Sadong Across Countries (ROP3 - 101715) 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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