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

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: Protestantism
Religious Affiliation: Christianity

50%
%

Dig Deeper (Language):

Primary Language: Kayan Mahakam
Language Family: Austronesian

76%
%

Media Resources in Kayan Mahakam:

Films:

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Bible Resources in Kayan Mahakam:

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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

Blessed are those who hunger and thirst for righteousness, for they shall be satisfied.
readMatthew 5:6

Pray for those who are lost to desire righteousness and to be filled with the peace and purpose that only comes from following Jesus.

And he said to the woman, “Your faith has saved you; go in peace.”
readLuke 7:50

Pray for the good news of Jesus Christ to reach many so that they can place their faith in Him and have lasting hope.

I was naked and you clothed me, I was sick and you visited me, I was in prison and you came to me.
readMatthew 25:36

Pray that as people place their faith in Christ, they will honor Jesus and find joy as they take care of those in need.

Finally, brothers, pray for us, that the word of the Lord may speed ahead and be honored, as happened among you, and that we may be delivered from wicked and evil men. For not all have faith. But the Lord is faithful. He will establish you and guard you against the evil one.
read2 Thessalonians 3:1-3

Pray that the Word of God will spread throughout this people group and be honored. Ask God to establish His people and guard them from the evil one, testifying to this whole people group of His great faithfulness.

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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