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 Ayamaru of Indonesia

The Ayamaru of Indonesia, numbering approximately 33,000 people, are No Longer Unreached. They are described as an ethnolinguistic community of Indonesia They are an Indigenous people, with Ayamaru (Brat) as their ethnic/kinship group and are in the New Guinea people cluster of the Pacific Islander Peoples. Their primary religion is Animism. They primarily speak Mai Brat.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Indonesia
People Cluster: New Guinea
Primary Language(s): Mai Brat (ayz)
Primary Religion(s): Animism
Population: 33,000
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical
People Group ID: PG022458
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Pray for the Ayamaru 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.

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Dig Deeper (Religion):

Primary Religion: Animism
Religious Affiliation: Ethnoreligion

95%
%

Dig Deeper (Language):

Primary Language: Mai Brat
Language Family: Maybratic

100%
%

Media Resources in Mai Brat:

Films:

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Provided by the Jesus Film Project

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Bible Resources in Mai Brat:

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Provided by Faith Comes by Hearing

Or check out the Mai Brat 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): Marginally Reached People Group, (LPI: 4), 3% to 6% Evangelical.
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical (GSEC: 4), this people group is greater than or equal to 2% evangelical

Next steps for the Ayamaru:
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 Ayamaru 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 Ayamaru:
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 Ayamaru 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 Ayamaru:
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 Ayamaru of Indonesia

"And you will know the truth, and the truth will set you free.”
readJohn 8:32

Pray for those who live enslaved to sin to hear and receive the truth of the gospel and be set free.

Your word is a lamp to my feet and a light to my path.
readPsalm 119:105

Pray that they will receive the Word of God as a lamp to their feet and commit their ways to Him.

And after she was baptized, and her household as well, she urged us, saying, “If you have judged me to be faithful to the Lord, come to my house and stay.” And she prevailed upon us.
readActs 16:15

Pray that God will bring entire families and households to faith in Him and raise up servant-leaders from among them.

And how are they to preach unless they are sent? As it is written, “How beautiful are the feet of those who preach the good news!”
readRomans 10:15

Pray that God will call many believers who will obediently go and share the gospel with those who desperately need it.

Ayamaru Across Countries (ROP3 - 100659) 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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