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PEOPLE GROUP PROFILE

The Busang Kayan of Indonesia

The Busang Kayan of Indonesia, numbering approximately 5,500 people, are No Longer Unreached. They are an ethnolinguistic community of Indonesia (Kalimantan). They are an Indigenous people in the Borneo-Kalimantan people cluster of the Malay Peoples affinity bloc. Their primary language is Kayan, Busang and their primary religion is Animism.

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

Fast Facts:

Affinity Group: Malay Peoples
Country: Indonesia
People Cluster: Borneo-Kalimantan
Primary Language(s): Kayan, Busang (bfg)
Primary Religion(s): Animism
Population: 5,500
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 5% or Greater but Less than 10% Evangelical
People Group ID: PG022560
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Pray for the Busang Kayan 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: Animism
Religious Affiliation: Ethnoreligion

90%
%
Animism Adherents

Dig Deeper (Language):

Primary Language: Kayan, Busang
Language Family: Austronesian

76%
%
Kayan, Busang Speakers

Media Resources in Kayan, Busang:

Films:

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Bible Resources in Kayan, Busang:

Provided by Faith Comes by Hearing

Or check out the Kayan, Busang 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 Busang Kayan:
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 Busang Kayan 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 Busang Kayan:
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 Busang Kayan 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 Busang Kayan:
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 Busang Kayan of Indonesia

Note then the kindness and the severity of God: severity toward those who have fallen, but God's kindness to you, provided you continue in his kindness. Otherwise you too will be cut off.
readRomans 11:22

Pray that God will transform those who persist in unbelief and, in His everlasting kindness, graft them into His family.

And what you have heard from me in the presence of many witnesses entrust to faithful men, who will be able to teach others also.
read2 Timothy 2:2

Pray that the lost will come to faith in Christ and be discipled in the truth of the gospel, becoming faithful followers of Jesus who, in turn, make disciples themselves.

O Lord, open my lips, and my mouth will declare your praise.
readPsalm 51:15

Pray that as people place their faith in Christ, they will abide in Him, and God will help them to proclaim His praise and declare His goodness all day long.

To that end, keep alert with all perseverance, making supplication for all the saints, and also for me, that words may be given to me in opening my mouth boldly to proclaim the mystery of the gospel.
readEphesians 6:18b-19

Ask God to give believers He sends to the lost of this people group the boldness and clarity to proclaim the mystery of the gospel in a way that people can understand.

Kayan, Busang Across Countries (ROP3 - 104779) 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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