Download the People Group List (16 languages .csv)

Amharic - አማርኛ | Arabic - عربي
Bengali - বাংলা | Chinese (Simplified) - 中文（简体）
Chinese (Traditional) - 中文（繁體) | French - Français
German - Deutsch | Gujarati - ગુજરાતી
Hindi - हिन्दी | Indonesian - Bahasa Indonesia
Korean - 한국어 | Nepali - नेपाली
Portugese - Português | Russian - Русский
Spanish - Espanol | Tagalong / Filipino
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PEOPLE GROUP PROFILE

The Ambai of Indonesia

The Ambai of Indonesia, numbering approximately 12,000 people, are No Longer Unreached. They are described as an ethnolinguistic community of Indonesia They are an Indigenous people, with Ambai as their ethnic/kinship group and are in the New Guinea people cluster of the Pacific Islander Peoples. Their primary religion is Sunni Islam. They primarily speak Ambai.

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

Fast Facts:

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

Pray Now!
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Dig Deeper (Religion):

Primary Religion: Sunni Islam
Religious Affiliation: Islam

50%
%

Dig Deeper (Language):

Primary Language: Ambai
Language Family: Austronesian

76%
%

Media Resources in Ambai:

Films:

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Provided by the Jesus Film Project

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Bible Resources in Ambai:

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Provided by Faith Comes by Hearing

Or check out the Ambai bible at Bible.com

Linked from YouVersion

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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 Ambai:
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 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.

Next steps for the Ambai:
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 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.

Next steps for the Ambai:
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 Ambai of Indonesia

But Jesus said, "Let the little children come to me and do not hinder them, for to such belongs the kingdom of heaven"
readMatthew 9:14

Pray that those who are spiritually dead will recognize their need for spiritual nourishment and turn to the One who offers true fulfillment.

"You are the salt of the earth, but if the salt has lost its taste, how shall its saltiness be restored? It is no longer good for anything except to be thrown out and trampled under people's feet."
readMatthew 5:13

Pray that the lost will have the opportunity to hear a Christian witness of how the gospel can bring hope and that they will put their faith in Christ.

Turn, O LORD, deliver my life; save me for the sake of your steadfast love.
readPsalm 6:4

Pray that as people place their faith in Christ and still struggle with the worries of this life, God will deliver them from worry for the sake of His steadfast love.

And when Jesus finished these sayings, the crowds were astonished at his teaching, for he was teaching them as one who had authority, and not as their scribes.
readMatthew 7:28-29

Pray that God will remind believers that they have His authority as they share His truth with the lost, and pray He will draw crowds of people to this message and plant it deeply in their hearts.

Ambai Across Countries (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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