The Bahau of Indonesia

The Bahau of Indonesia, numbering approximately 21,500 people, are No Longer Unreached. They are an ethnolinguistic community of Indonesia. They are an Indigenous people in the Borneo-Kalimantan people cluster of the Malay Peoples affinity bloc. Their primary language is Bahau and their primary religion is Animism.

Photo by Google. (2025). Image generated by Gemini 2.5 Flash: Bahau

Fast Facts:

Affinity Group: Malay Peoples
Country: Indonesia
People Cluster: Borneo-Kalimantan
Primary Language(s): Bahau (bhv)
Primary Religion(s): Animism
Population: 21,500
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical
People Group ID: PG022545
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Pray for the Bahau 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%
%
Animism Adherents

Dig Deeper (Language):

Primary Language: Bahau
Language Family: Austronesian

100%
%
Bahau Speakers

Media Resources in Bahau:

Films:

No entries found for: Bahau(bhv). Help build some!

Bible Resources in Bahau:

Or check out the Bahau 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): Minimally Reached People Group, (LPI: 3), 2% to 3% Evangelical.
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical (GSEC: 4), this people group is greater than or equal to 2% evangelical

Next steps for the Bahau:
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 Bahau 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 Bahau:
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 Bahau 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 Bahau:
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 Bahau of Indonesia

O Lord, you hear the desire of the afflicted; you will strengthen their heart; you will incline your ear to do justice to the fatherless and the oppressed, so that man who is of the earth may strike terror no more.
readPsalm 10:17-18

Pray that God, in accordance with His good character, will give justice to those who are oppressed by sin and that they will know that His offer of salvation is for everyone.

Now therefore, O kings, be wise; be warned, O rulers of the earth. Serve the LORD with fear, and rejoice with trembling.
readPsalm 2:10-11

Pray for the rulers and authorities here to seek the Lord and serve Him only. Pray that the people they lead will be amazed by the work of God in their lives.

Have this mind among yourselves, which is yours in Christ Jesus, who, though he was in the form of God, did not count equality with God a thing to be grasped, but emptied himself, by taking the form of a servant, being born in the likeness of men.
readPhilippians 2:5-7

Pray that as people place their faith in Christ, they will imitate His humility in all they do.

And he said to them, “Truly, I say to you, there is no one who has left house or wife or brothers or parents or children, for the sake of the kingdom of God, who will not receive many times more in this time, and in the age to come eternal life.”
readLuke 18:29-30

Pray that God will raise up people to go and share the gospel and help them trust His promise that anyone who has left those they treasure for the sake of the kingdom of God will receive many times more in this life and in the life to come.

Bahau Across Countries (ROP3 - 100764) 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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