Download the People Group List (16 languages .csv)

Amharic - አማርኛ | Arabic - عربي
Bengali - বাংলা | Chinese (Simplified) - 中文（简体）
Chinese (Traditional) - 中文（繁體) | French - Français
German - Deutsch | Gujarati - ગુજરાતી
Hindi - हिन्दी | Indonesian - Bahasa Indonesia
Korean - 한국어 | Nepali - नेपाली
Portugese - Português | Russian - Русский
Spanish - Espanol | Tagalong / Filipino
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PEOPLE GROUP PROFILE

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.

Pray Now!
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Dig Deeper (Religion):

Primary Religion: Animism
Religious Affiliation: Ethnoreligion

90%
%

Dig Deeper (Language):

Primary Language: Bahau
Language Family: Austronesian

100%
%

Media Resources in Bahau:

Films:

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Provided by the Jesus Film Project

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Bible Resources in Bahau:

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Provided by Faith Comes by Hearing

Or check out the Bahau 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): 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

Ah, Lord GOD! It is you who have made the heavens and the earth by your great power and by your outstretched arm! Nothing is too hard for you.
readJerremiah 32:17

Pray that the God who made the heavens and the earth by the power of His outstretched arm, the One who is able to save those who are lost, will show His great love and mercy to those who are walking in darkness.

And this gospel of the kingdom will be proclaimed throughout the whole world as a testimony to all nations, and then the end will come.
readMatthew 24:14

Pray that the gospel of God's kingdom will reach more people and that they will respond in faith, becoming disciples of Jesus Christ.

And let us consider how to stir up one another to love and good works.
readHebrews 10:24

Pray that as people place their faith in Christ, they will love and encourage one another, spurring each other on to live lives that honor God.

For God so loved the world, that he gave his only Son, that whoever believes in him should not perish but have eternal life.
readJohn 3:16

Pray that God will send and sustain believers to cross cultures and share the gospel with the lost. Ask that He will give them His heart for the lost and that many will believe in Him and not perish but have eternal life.

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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