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Amharic - አማርኛ | Arabic - عربي
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Chinese (Traditional) - 中文（繁體) | French - Français
German - Deutsch | Gujarati - ગુજરાતી
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Portugese - Português | Russian - Русский
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PEOPLE GROUP PROFILE

The Tulambatu of Indonesia

The Tulambatu of Indonesia, numbering approximately 7,600 people, are No Longer Unreached. They are an indigenous community of Indonesia; a dialect subgroup of Bungku (bkz). They are an Indigenous people in the Bungku-Bajau people cluster of the Malay Peoples affinity bloc. Their primary language is Bungku and their primary religion is Sunni Islam.

Photo by Google. (2026). Image generated by Gemini 2.5 Flash: Tulambatu

Fast Facts:

Affinity Group: Malay Peoples
Country: Indonesia
People Cluster: Bungku-Bajau
Primary Language(s): Bungku (bkz)
Primary Religion(s): Sunni Islam
Population: 7,600
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical
People Group ID: PG022889

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Pray for the Tulambatu of Indonesia

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Dig Deeper (Religion):

Primary Religion: Sunni Islam
Religious Affiliation: Islam

99%
%
Sunni Islam Adherents

Dig Deeper (Language):

Primary Language: Bungku
Language Family: Austronesian

76%
%
Bungku Speakers

Media Resources in Bungku:

Films:

No entries found for: Bungku(bkz). Help build some!

Provided by the Jesus Film Project

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Bible Resources in Bungku:

Provided by Faith Comes by Hearing

Or check out the Bungku bible at Bible.com

Linked from YouVersion

View all resources

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): Marginally Reached People Group, (LPI: 4), 3% to 6% 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 Tulambatu:
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 Tulambatu 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 Tulambatu:
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 Tulambatu 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 Tulambatu:
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 Tulambatu of Indonesia

My flesh and my heart may fail, but God is the strength of my heart and my portion forever.
readPsalm 73:26

Pray that those who are lost and struggling to find hope will find their strength and hope in God, recognizing Him as their portion and deliverer forever.

“Your kingdom come, your will be done, on earth as it is in heaven. Give us this day our daily bread."
readMatthew 6:10-11

As people go about their daily lives, pray they will have the opportunity to encounter Jesus-followers, receive the gospel, and respond with joy. Pray that, as God provides for their daily needs, He will also bring many into His beautiful kingdom.

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.

And if anyone will not receive you or listen to your words, shake off the dust from your feet when you leave that house or town. Truly, I say to you, it will be more bearable on the day of judgment for the land of Sodom and Gomorrah than for that town.
readMatthew 10:14-15

Pray for God to raise up and send out believers to share the gospel with those in this people group who do not yet follow Christ. Pray that they will be welcomed with open arms so that the people they share with will hear and receive the good news with joy.

Tulambatu Across Countries (ROP3 - 116109) 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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