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 mostly adhere to Protestantism and Yaosakor Asmat is their primary language.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Indonesia
People Cluster: New Guinea
Primary Language(s): Yaosakor Asmat (asy)
Primary Religion(s): 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
View on Joshua Project

Pray for the Yaosakor Asmat 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.

Dig Deeper (Religion):

Primary Religion: Protestantism
Religious Affiliation: Christianity

50%
%
Protestantism Adherents

Dig Deeper (Language):

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

75%
%
Asmat, Yaosakor Speakers

Media Resources in Yaosakor Asmat:

Films:

No film resources are listed for this language.

Bible Resources in Yaosakor Asmat:

No Bible resources are listed for this language.

Or check out the Yaosakor Asmat bible at Bible.com

Linked from YouVersion

SPI: No longer Unreached

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.

Next steps for the Yaosakor Asmat:
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 Yaosakor Asmat of Indonesia

All we like sheep have gone astray; we have turned—every one—to his own way; and the LORD has laid on him the iniquity of us all.
readIsaiah 53:6

Pray that those who have wandered far from God will be drawn back to Him, recognizing their need for a Savior and finding forgiveness and new life in Christ.

Ascribe to the LORD the glory due his name; bring an offering, and come into his courts!
readPsalm 96:8

Pray for people here to humbly give God the glory due His name.

For the LORD, the Most High, is to be feared, a great king over all the earth.
readPsalm 47:2

Pray that as people place their faith in Christ, they will exalt the Lord, recognizing His reign over the nations and His sovereignty over all things.

But by the grace of God I am what I am, and his grace toward me was not in vain. On the contrary, I worked harder than any of them, though it was not I, but the grace of God that is with me. Whether then it was I or they, so we preach and so you believed.
read1 Corinthians 15:10–11

Pray that God's people will preach the message of Jesus' death and resurrection and that it will spread among the lost through the selfless witness of believers.

Asmat, Yaosakor Across Countries (ROP3 - 100565) reported in the following countries:

Strategic Progress Index
All

1 people group

To download a comprehensive people group list in spreadsheet form, visit our Research Data page.

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