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%
%
Animism Adherents

Dig Deeper (Language):

Primary Language: Mai Brat
Language Family: Maybratic

100%
%
Mai Brat Speakers

Media Resources in Mai Brat:

Films:

Provided by the Jesus Film Project

View all resources

Bible Resources in Mai Brat:

Provided by Faith Comes by Hearing

Or check out the Mai Brat bible at Bible.com

Linked from YouVersion

View all resources

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

The way of the wicked is like deep darkness; they do not know over what they stumble.
readProverbs 4:19

Pray that lost people will accept salvation through Christ, turn from destruction, and experience joy in the way of righteousness.

...And that repentance for the forgiveness of sins should be proclaimed in his name to all nations, beginning from Jerusalem.
readLuke 24:47

Pray that the message of repentance and forgiveness through Jesus will reach everyone.

But my righteous one shall live by faith, and if he shrinks back, my soul has no pleasure in him.
readHebrews 10:38

Pray that as people trust in Christ, they will live by faith and not shrink back from their hope in Christ.

For the needy shall not always be forgotten, and the hope of the poor shall not perish forever.
readPsalm 9:18

Pray that God will raise up believers who can help meet emotional and physical needs among this people group. Ask Him to open doors for them and give them the courage to walk into difficult situations and share the hope of the gospel boldly.

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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