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PEOPLE GROUP PROFILE

The Yaosakor Asmat of Indonesia

The Yaosakor Asmat of Indonesia, numbering approximately 3,000 people, are No Longer Unreached. They are an ethnolinguistic community of Indonesia They are an Indigenous people, in the New Guinea people cluster of the Pacific Islander Peoples affinity bloc. Their primary religion is Christianity - Protestantism. They primarily speak Asmat, Yaosakor.

Photo by Google. (2025). Image generated by Gemini 2.5 Flash: Yaosakor Asmat

Fast Facts:

Affinity Group: Asian Pacific Rim Peoples
Country: Indonesia
People Cluster: New Guinea
Primary Language(s): Asmat, Yaosakor (asy)
Primary Religion(s): Christianity - Protestantism
Population: 3,000
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG023099
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Pray for the Yaosakor Asmat of Indonesia

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Dig Deeper (Religion):

Primary Religion: Christianity - Protestantism
Religious Affiliation: Christianity

%
Christianity - Protestant… Adherents

Dig Deeper (Language):

Primary Language: Asmat, Yaosakor
Language Family: Nuclear Trans New Guinea

%
Asmat, Yaosakor Speakers

Media Resources in Asmat, Yaosakor:

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Bible Resources in Asmat, Yaosakor:

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Or check out the Asmat, Yaosakor bible resources at Bible.com

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Next steps for the Yaosakor Asmat

The Yaosakor Asmat are Unengaged and Unreached, 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.

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

Next steps for the Yaosakor Asmat

The Yaosakor Asmat 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.

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

Next steps for the Yaosakor Asmat

The Yaosakor Asmat 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.

Empower local believers to begin praying for their own people
Continue gospel seed sowing and church planting among this group
Encourage local leaders to being leading church planting strategy and looking for Unreached and Unengaged groups nearby

Pray specifically for the Yaosakor Asmat of Indonesia

Abraham said, "God will provide for himself the lamb for a burnt offering, my son." So they went both of them together.
readGenesis 22:8

Pray that God will open the ears of those who are lost to understand and believe that only shed blood takes away sin and that, like Abraham, they will believe that God Himself provides the lamb for the burnt offering, who is Jesus the final, perfect sacrifice.

Oh, taste and see that the LORD is good! Blessed is the man who takes refuge in him!
readPsalm 34:8

Pray that the gospel will advance and that many will have the opportunity to taste and see the goodness of God and entrust their lives to Him.

This mystery is profound, and I am saying that it refers to Christ and the church. However, let each one of you love his wife as himself, and let the wife see that she respects her husband.
readEphesians 5:32-33

Pray that as people place their faith in Christ, they will grasp the profound mystery of Christ's love for the Church, reflecting this love in their marriages.

After this I looked, and behold, a great multitude that no one could number, from every nation, from all tribes and peoples and languages, standing before the throne and before the Lamb, clothed in white robes, with palm branches in their hands, and crying out with a loud voice, “Salvation belongs to our God who sits on the throne, and to the Lamb!”
readRevelation 7:9-10

Pray that the promise in Revelation 7:9-10 will encourage believers from among them or from nearby people groups to share the gospel with people who have never learned it.

Asmat, Yaosakor (ROP3 - 100565) 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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