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
View on Joshua Project

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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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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

The grass withers, the flower fades, but the word of our God will stand forever.
readIsaiah 40:8

Pray that those who don't know Jesus will be freed from the emptiness of fading hopes and find lasting life and truth in the unchanging Word of God.

The God who made the world and everything in it, being Lord of heaven and earth, does not live in temples made by man, nor is he served by human hands, as though he needed anything, since he himself gives to all mankind life and breath and everything.
readActs 17:24-25

Pray that the good news will reach everyone in this people group and that many will come to know and serve the one true God who made the world and everything in it and lives today.

Therefore, if anyone is in Christ, he is a new creation. The old has passed away; behold, the new has come.
read2 Corinthians 5:17

Pray that as people place their faith in Christ, they will understand and experience the truth that in Christ, they are a new creation, and the old has gone and the new has come.

I will give thanks to you, O Lord, among the peoples; I will sing praises to you among the nations.
readPsalm 57:9

Pray that God will raise up believers among them who will boldly go and share the gospel with people nearby and with those far away.

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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