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

Every word of God proves true; he is a shield to those who take refuge in him.
readProverbs 30:5

Pray that those who don't yet know God will trust the flawless Word of God and seek refuge in Him, finding hope and salvation instead of remaining in spiritual darkness.

Therefore, since we have been justified by faith, we have peace with God through our Lord Jesus Christ.
readRomans 5:1

Pray that the gospel will advance and that many who are far from God will receive the good news of salvation with joy and have peace with God through faith in His Son Jesus Christ.

Praying at all times in the Spirit, with all prayer and supplication. To that end, keep alert with all perseverance, making supplication for all the saints.
readEphesians 6:18

Pray that as people place their faith in Christ, they will be alert and persistent in prayer for all believers, offering their requests with thanksgiving.

After this the Lord appointed seventy-two others and sent them on ahead of him, two by two, into every town and place where he himself was about to go.
readLuke 10:1

Ask God to raise up, send out, and sustain Christians who can go together to share the good news of Jesus with those who need it.

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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