The Kayan Mahakam of Indonesia

The Kayan Mahakam of Indonesia, numbering approximately 2,200 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 Mahakam and their primary religion is Protestantism.

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

Fast Facts:

Affinity Group: Malay Peoples
Country: Indonesia
People Cluster: Borneo-Kalimantan
Primary Language(s): Kayan Mahakam (xay)
Primary Religion(s): Protestantism
Population: 2,200
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG022571
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Pray for the Kayan Mahakam of Indonesia

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Dig Deeper (Religion):

Primary Religion: Protestantism
Religious Affiliation: Christianity

50%
%
Protestantism Adherents

Dig Deeper (Language):

Primary Language: Kayan Mahakam
Language Family: Austronesian

76%
%
Kayan Mahakam Speakers

Media Resources in Kayan Mahakam:

Films:

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Bible Resources in Kayan Mahakam:

Or check out the Kayan Mahakam 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): Significantly Reached People Group, (LPI: 6), > 20% or Greater 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 Kayan Mahakam:
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 Kayan Mahakam 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 Kayan Mahakam:
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 Kayan Mahakam 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 Kayan Mahakam:
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 Kayan Mahakam of Indonesia

Jesus said to her, "Everyone who drinks of this water will be thirsty again, but whoever drinks of the water that I will give him will never be thirsty again. The water that I will give him will become in him a spring of water welling up to eternal life"
readJohn 4:13-14

Pray that those who don't know Jesus will drink of the living water that only Christ can provide and never thirst again.

Praise him for his mighty deeds; praise him according to his excellent greatness!
readPsalm 150:2

Pray for the gospel to advance among those who are living in darkness. Pray that they will come to know Jesus and praise Him for all that He has done.

“The LORD is my portion,” says my soul, “therefore I will hope in him.”
readLamentations 3:24

Pray that as people place their faith in Christ and walk through trials, they will be satisfied with the Lord as their portion and will place all their hope in Him.

He restores my soul. He leads me in paths of righteousness for his name’s sake.
readPsalm 23:3

Pray for believers to go and share the gospel with others here. Ask that God will restore their souls and lead them in paths of righteousness for His name's sake.

Kayan Mahakam Across Countries (ROP3 - 104778) 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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