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People group profile · PG022458

The Ayamaru of Indonesia

The Ayamaru of Indonesia, numbering about 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 are an indigenous people in the New Guinea people cluster of the Pacific Islander Peoples. Their primary religion is Animism, and they primarily speak Mai Brat.

Pray for the AyamaruPrint profile

AI-generated illustration representing the Ayamaru people
AI-generated illustration, not a photograph. Photo by Google. (2026). Image generated by Gemini 2.5 Flash: Ayamaru

Fast facts

Country
Indonesia
Population
33,000
Affinity group
Asian Pacific Rim Peoples
People cluster
New Guinea
Primary language
Mai Brat (ayz)
Primary religion
Animism
Strategic Progress Index ?
No Longer Unreached
Evangelical
2% or Greater but Less than 5%
GSEC ?
2% or Greater but Less than 5% Evangelical
Lostness priority ?
Marginally Reached People Group
Region
South-Eastern Asia, Asia
Location
West Papua province: about 40 villages in central Bird’s Head, Ayamaru lakes area

Where they live

Gospel status

The Ayamaru are No Longer Unreached, which means 2% or more are evangelical Christians. In GSEC terms, this people group is greater than or equal to 2% evangelical.

  • Congregations exist Yes
  • Church planting in the last two years No Churches Planted

Next steps for the Ayamaru

  • Pray for the churches among this group to grow in faithfulness and maturity
  • Equip believers to reach the unreached peoples around them
  • Send out laborers from this people to the nations

Primary religion

Animism · Ethnoreligion

95% adherents

Primary language

Mai Brat · Maybratic family

100% speak Mai Brat

Gospel resources in Mai Brat

  • Bible available, published 2007
  • JESUS Film available
  • Radio programs not available
  • Gospel recordings available
  • Audio resources available
  • Bible stories not available

Films

Bibles

Find more at the JESUS Film Project, Bible.com and Faith Comes by Hearing.

Pray for the Ayamaru

  1. Romans 10:14–15. Ask God to send messengers, so that people can hear, believe and call on the name of the Lord.
  2. Matthew 9:37–38. Ask the Lord of the harvest to send out laborers into his harvest field.
  3. 2 Timothy 2:2. Pray for faithful local leaders who will teach others, so that the church multiplies.
  4. Ephesians 5:8. Pray that those walking in darkness will turn to the light and live as children of light.

Download a prayer guide

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