The Kaibubu of Indonesia

The Kaibubu of Indonesia, numbering approximately 900 people, are No Longer Unreached. They are described as an ethnolinguistic community of Indonesia They are an Indigenous people, with Kaibubu as their ethnic/kinship group and are in the Maluku-Central people cluster of the Malay Peoples. They mostly adhere to Protestantism and Ambonese Malay is their primary language.

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): Ambonese Malay (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: Ambonese Malay
Language Family: Austronesian

100%
%
Malay, Ambonese Speakers

Media Resources in Ambonese Malay:

Films:
TitleLink
JESUSView Film

1 film

Bible Resources in Ambonese Malay:

No Bible resources are listed for this language.

Or check out the Ambonese Malay bible at Bible.com

Linked from YouVersion

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

Note then the kindness and the severity of God: severity toward those who have fallen, but God's kindness to you, provided you continue in his kindness. Otherwise you too will be cut off.
readRomans 11:22

Pray that God will transform those who persist in unbelief and, in His everlasting kindness, graft them into His family.

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.

I will sing of the steadfast love of the Lord, forever; with my mouth I will make known your faithfulness to all generations.
readPsalm 89:1

Pray that as people place their faith in Christ, they will declare and record His faithfulness and love to be passed on from generation to generation.

For as in one body we have many members, and the members do not all have the same function, so we, though many, are one body in Christ, and individually members one of another.
readRomans 12:4-5

Ask God to send believers to people in other cultures and to help them use their gifts in harmony with others so that the body of Christ may be built up.

Kaibubu Across Countries (ROP3 - 104412) reported in the following countries:

Strategic Progress Index
All

1 people group

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 Data Standards section.

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