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

Pray for the Tulambatu 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: Sunni Islam
Religious Affiliation: Islam

99%
%

Dig Deeper (Language):

Primary Language: Bungku
Language Family: Austronesian

76%
%

Media Resources in Bungku:

Films:

No language code (ROL) found for this post.

Bible Resources in Bungku:

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Or check out the Bungku 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): Marginally Reached People Group, (LPI: 4), 3% or Greater but Less than 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

But I say to you, Love your enemies and pray for those who persecute you, so that you may be sons of your Father who is in heaven. For he makes his sun rise on the evil and on the good, and sends rain on the just and on the unjust.
readMatthew 5:44-45

Pray for those who don't know Jesus to encounter believers who are kind and compassionate and that their imitation of Christ will serve as a testimony that attracts lost people to Jesus.

Praise him for his mighty deeds; praise him according to his excellent greatness!
readPsalm 150:2

Pray for the gospel to advance among those who are living in darkness. Pray that they will come to know Jesus and praise Him for all that He has done.

For I am sure that neither death nor life, nor angels nor rulers, nor things present nor things to come, nor powers, nor height nor depth, nor anything else in all creation, will be able to separate us from the love of God in Christ Jesus our Lord.
readRomans 8:38-39

Pray that as people place their faith in Christ, they will have confidence in their salvation, knowing that nothing can separate them from the One who conquered death and loves them as His children.

You also must help us by prayer, so that many will give thanks on our behalf for the blessing granted us through the prayers of many.
read2 Corinthians 1:11

Pray that many people will join in praying for the spread of the gospel here, and that God will answer these prayers by drawing more people to Himself.

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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