The Kaibubu of Indonesia

The Kaibubu of Indonesia, numbering approximately 900 people, are No Longer Unreached. They are an ethnolinguistic community of Indonesia. They are an Indigenous people in the Maluku-Central people cluster of the Malay Peoples affinity bloc. Their primary language is Malay, Ambonese and their primary religion is Protestantism.

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

Fast Facts:

Affinity Group: Malay Peoples
Country: Indonesia
People Cluster: Maluku-Central
Primary Language(s): Malay, Ambonese (abs)
Primary Religion(s): Protestantism
Population: 900
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG022667
View on Joshua Project

Pray for the Kaibubu 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: Protestantism
Religious Affiliation: Christianity

61%
%
Protestantism Adherents

Dig Deeper (Language):

Primary Language: Malay, Ambonese
Language Family: Austronesian

100%
%
Malay, Ambonese Speakers

Media Resources in Malay, Ambonese:

Films:

Bible Resources in Malay, Ambonese:

Or check out the Malay, Ambonese 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): Significantly Reached People Group, (LPI: 6), > 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 Kaibubu:
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 Kaibubu 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 Kaibubu:
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 Kaibubu 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 Kaibubu:
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 Kaibubu 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.

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.

And many nations shall join themselves to the LORD in that day, and shall be my people. And I will dwell in your midst, and you shall know that the LORD of hosts has sent me to you.
readZechariah 2:11

Pray that as people place their faith in Christ, they will have a heart that longs to see all people from all parts of the world worshiping Jesus as He deserves.

And through him to reconcile to himself all things, whether on earth or in heaven, making peace by the blood of his cross.
readColossians 1:20

As believers cross cultures to tell others about Jesus, praise God for allowing them to be a part of His reconciling all things to Himself, asking Him to help them remember their role in His beautiful plan of salvation for others.

Kaibubu Across Countries (ROP3 - 104412) 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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