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
View on Joshua Project

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.

Dig Deeper (Religion):

Primary Religion: Animism
Religious Affiliation: Ethnoreligion

90%
%

Dig Deeper (Language):

Primary Language: Kayan, Busang
Language Family: Austronesian

76%
%

Media Resources in Kayan, Busang:

Films:

No language code (ROL) found for this post.

Bible Resources in Kayan, Busang:

The filter value is not set for this post.

Or check out the Kayan, Busang 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): 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

But I say to you, Love your enemies and pray for those who persecute you, so that you may be sons of your Father who is in heaven. For he makes his sun rise on the evil and on the good, and sends rain on the just and on the unjust.
readMatthew 5:44-45

Pray for those who don't know Jesus to encounter believers who are kind and compassionate and that their imitation of Christ will serve as a testimony that attracts lost people to Jesus.

So his fame spread throughout all Syria, and they brought him all the sick, those afflicted with various diseases and pains, those oppressed by demons, those having seizures, and paralytics, and he healed them
readMatthew 4:24

Pray that the truth about the Lord will spread throughout the land so that many will have an opportunity to receive the good news and put their faith in Him.

But in your hearts honor Christ the Lord as holy, always being prepared to make a defense to anyone who asks you for a reason for the hope that is in you; yet do it with gentleness and respect.
read1 Peter 3:15

Pray that as people place their faith in Christ, they will always be prepared to share the reason for the hope that they have in Jesus with gentleness and respect.

At the same time, pray also for us, that God may open to us a door for the word, to declare the mystery of Christ...that I may make it clear, which is how I ought to speak.
readColossians 4:3-4

Ask God to open doors for believers to share the gospel and help them communicate it clearly so that more people will understand the mystery of Christ and turn to follow Him.

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.

Scroll to Top