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PEOPLE GROUP PROFILE

The Tombulu of Indonesia

The Tombulu of Indonesia, numbering approximately 110,000 people, are No Longer Unreached. They are an ethnolinguistic community of Indonesia. They are an Indigenous people in the Minahasa-Sangir of Sulawesi people cluster of the Malay Peoples affinity bloc. Their primary language is Tombulu and their primary religion is Protestantism.

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

Fast Facts:

Affinity Group: Malay Peoples
Country: Indonesia
People Cluster: Minahasa-Sangir of Sulawesi
Primary Language(s): Tombulu (tom)
Primary Religion(s): Protestantism
Population: 110,000
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG022881
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Pray for the Tombulu 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: Protestantism
Religious Affiliation: Christianity

—
%
Protestantism Adherents

Dig Deeper (Language):

Primary Language: Tombulu
Language Family: Austronesian

75%
%
Tombulu Speakers

Media Resources in Tombulu:

Films:

Provided by the Jesus Film Project

View all resources

Bible Resources in Tombulu:

Provided by Faith Comes by Hearing

Or check out the Tombulu 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): Moderately Reached People Group, (LPI: 5), 6% to 20% Evangelical.
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical (GSEC: 6), this people group is greater than or equal to 10% evangelical

Next steps for the Tombulu:
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 Tombulu 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 Tombulu:
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 Tombulu 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 Tombulu:
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 Tombulu of Indonesia

The heavens declare the glory of God, and the sky above proclaims his handiwork.
readPsalm 19:1

Pray that those who are lost will look to the heavens and see the glory of God displayed, leading them to seek Him and know Him as their Creator and Savior.

As for what was sown on good soil, this is the one who hears the word and understands it. He indeed bears fruit and yields, in one case a hundredfold, in another sixty, and in another thirty.
readMatthew 13:23

Pray that their hearts will have good soil that receives the Word, understands it, and bears fruit for God's kingdom.

Finally, be strong in the Lord and in the strength of his might. Put on the whole armor of God, that you may be able to stand against the schemes of the devil.
readEphesians 6:10-11

Pray that as people place their faith in Christ, they will grow strong in His power, putting on the full armor of God, which will enable them to stand against the devil’s lies.

He came as a witness, to bear witness about the light, that all might believe through him.
readJohn 1:7

Pray that God will raise up witnesses to testify about Jesus so that all might believe, knowing that He is light and in Him there is no darkness at all.

Tombulu Menadonese Across Countries (ROP3 - 110147) 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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