The Ambai of Indonesia

The Ambai of Indonesia, numbering approximately 12,000 people, are No Longer Unreached. They are an ethnolinguistic community of Indonesia. They are an Indigenous people, in the New Guinea people cluster of the Pacific Islander Peoples affinity bloc. Their primary religion is Islam - Sunni. They primarily speak Ambai.

Photo by Google. (2025). Image generated by Gemini 2.5 Flash: Ambai

Fast Facts:

Affinity Group: Asian Pacific Rim Peoples
Country: Indonesia
People Cluster: New Guinea
Primary Language(s): Ambai (amk)
Primary Religion(s): Islam - Sunni
Population: 12,000
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG022442
View on Joshua Project

Pray for the Ambai 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: Islam - Sunni
Religious Affiliation: Islam

%
Islam - Sunni Adherents

Dig Deeper (Language):

Primary Language: Ambai
Language Family: Austronesian

%
Ambai Speakers

Media Resources in Ambai:

Films:

Bible Resources in Ambai:

Or check out the Ambai bible resources at Bible.com

Linked from YouVersion

Next steps for the Ambai

The Ambai are Unengaged and Unreached, 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.

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

Next steps for the Ambai

The Ambai 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.

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

Next steps for the Ambai

The Ambai 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.

Empower local believers to begin praying for their own people
Continue gospel seed sowing and church planting among this group
Encourage local leaders to being leading church planting strategy and looking for Unreached and Unengaged groups nearby

Pray specifically for the Ambai of Indonesia

For we do not wrestle against flesh and blood, but against the rulers, against the authorities, against the cosmic powers over this present darkness, against the spiritual forces of evil in the heavenly places.
readEphesians 6:12

Pray for those ensnared by the darkness of this world, that they will recognize the spiritual forces at work and turn to the light of Christ.

Or do you presume on the riches of his kindness and forbearance and patience, not knowing that God’s kindness is meant to lead you to repentance?
readRomans 2:4

Pray that, in God's kindness and according to His nature, He will lead many to repentance.

“The LORD is my portion,” says my soul, “therefore I will hope in him.”
readLamentations 3:24

Pray that as people place their faith in Christ and walk through trials, they will be satisfied with the Lord as their portion and will place all their hope in Him.

Therefore, confess your sins to one another and pray for one another, that you may be healed. The prayer of a righteous person has great power as it is working.
readJames 5:16

Pray that believers whom God sends will confess their sins, pray for one another, and live in unity. Ask that they will model healthy Christian relationships for this people group.

Ambai (ROP3 - 100262) 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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