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 Bolongan of Indonesia

The Bolongan of Indonesia, numbering approximately 40,000 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 religion is Christianity - Protestantism. They primarily speak Bulungan.

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

Fast Facts:

Affinity Group: Asian Pacific Rim Peoples
Country: Indonesia
People Cluster: Borneo-Kalimantan
Primary Language(s): Bulungan (blj)
Primary Religion(s): Christianity - Protestantism
Population: 40,000
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG022556
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Pray for the Bolongan of Indonesia

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Dig Deeper (Religion):

Primary Religion: Christianity - Protestantism
Religious Affiliation: Christianity

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Dig Deeper (Language):

Primary Language: Bulungan
Language Family: Austronesian

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Media Resources in Bulungan:

Films:

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Provided by the Jesus Film Project

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Bible Resources in Bulungan:

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Provided by Faith Comes by Hearing

Or check out the Bulungan bible resources at Bible.com

Linked from YouVersion

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Next steps for the Bolongan

The Bolongan are Unengaged and Unreached, 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.

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

Next steps for the Bolongan

The Bolongan 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.

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

Next steps for the Bolongan

The Bolongan 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.

Empower local believers to begin praying for their own people
Continue gospel seed sowing and church planting among this group
Encourage local leaders to being leading church planting strategy and looking for Unreached and Unengaged groups nearby

Pray specifically for the Bolongan of Indonesia

For all the gods of the peoples are worthless idols, but the LORD made the heavens.
read1 Chronicles 16:26

Pray that those among them who are lost and seeking after worthless idols will have the opportunity to hear and respond to the good news, seeing that Jesus is better than any idol.

For if while we were enemies we were reconciled to God by the death of his Son, much more, now that we are reconciled, shall we be saved by his life.
readRomans 5:10

Pray that God will remove obstacles to the gospel so that many will see the hope He offers through the death, burial, and resurrection of His Son, and be transformed from being enemies to being His friends.

Now therefore go, and I will be with your mouth and teach you what you shall speak.
readExodus 4:12

Pray that as people place their faith in Christ, God will equip them with the words and wisdom to proclaim His message effectively.

Oh give thanks to the LORD; call upon his name; make known his deeds among the peoples!
readPsalm 105:1

Pray that many among them will call on the name of Jesus, develop a heart for the nations, and go to places where the gospel has not yet been received.

Bolongan (ROP3 - 101575) 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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