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People group profile · PG022442

The Ambai of Indonesia

The Ambai of Indonesia, numbering about 12,000 people, are No Longer Unreached. They are a Yapen people of Papua's eastern Yapen coast and nearby Ambai islands, historically linked to regional trade and coastal livelihoods.

They are an indigenous people in the New Guinea people cluster of the Pacific Islander Peoples. Their primary religion is Sunni Islam, and they primarily speak Ambai.

Pray for the AmbaiPrint profile

AI-generated illustration representing the Ambai people
AI-generated illustration, not a photograph. Photo by Google. (2025). Image generated by Gemini 2.5 Flash: Ambai

Fast facts

Country
Indonesia
Population
12,000
Affinity group
Asian Pacific Rim Peoples
People cluster
New Guinea
Primary language
Ambai (amk)
Primary religion
Sunni Islam
Strategic Progress Index ?
No Longer Unreached
Evangelical
30% or Greater but Less than 40%
GSEC ?
10% or Greater Evangelical
Lostness priority ?
Significantly Reached People Group
Region
South-Eastern Asia, Asia
Location
Papua province: Yapen Waropen regency, Yapen Selatan and Yapen Timur sub-districts, 10 villages on Ambai island, Cenderawasih bay, and Yapen island south coast

Where they live

Gospel status

The Ambai are No Longer Unreached, which means 2% or more are evangelical Christians. In GSEC terms, this people group is greater than or equal to 10% evangelical.

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

Next steps for the Ambai

  • 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

Sunni Islam · Islam

50% adherents

Primary language

Ambai · Austronesian family

76% speak Ambai

Gospel resources in Ambai

  • Bible available, published 2010
  • 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 Ambai

  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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