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 a Maybrat subgroup of Southwest Papua whose homeland lies west and south of the Ayamaru Lakes, with bilateral kinship and household-based settlement. They mostly adhere to Animism and Mai Brat is their primary language.

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.

Pray Now!
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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:
TitleLink
JESUSView Film

1 film

Provided by the Jesus Film Project

View all resources

Bible Resources in Mai Brat:

Bible Name (Translation)VideoAudioText
2005 Yayasan Sumber Sejahtera✓✓✓

1 entry

Provided by Faith Comes by Hearing

Or check out the Mai Brat bible at Bible.com

Linked from YouVersion

View all resources

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

But I say to you, Love your enemies and pray for those who persecute you, so that you may be sons of your Father who is in heaven. For he makes his sun rise on the evil and on the good, and sends rain on the just and on the unjust.
readMatthew 5:44-45

Pray for those who don't know Jesus to encounter believers who are kind and compassionate and that their imitation of Christ will serve as a testimony that attracts lost people to Jesus.

I sought the LORD, and he answered me and delivered me from all my fears.
readPsalm 34:4

Pray for each who becomes a child of God to share the hope of eternity with family and friends.

But when the goodness and loving kindness of God our Savior appeared, he saved us, not because of works done by us in righteousness, but according to his own mercy, by the washing of regeneration and renewal of the Holy Spirit.
readTitus 3:4-5

Pray that as people place their faith in Christ and might struggle with temptation to trust in their own works, they will remember that it is only because of God's mercy that they have been saved.

Put on the whole armor of God, that you may be able to stand against the schemes of the devil.
readEphesians 6:11

Pray that those God sends to cross cultures will put on the full armor of God so that they will be able to stand against the schemes of the enemy.

Ayamaru Across Countries (ROP3 - 100659) reported in the following countries:

Strategic Progress Index
All

1 people group

PhotoPeople Group IDNameCountryPopulation ▲Strategic Progress IndexLanguageReligion
AyamaruPG022458AyamaruIndonesia33,000No Longer UnreachedMai BratAnimism

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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