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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
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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.

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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.

Provided by the Jesus Film Project

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Bible Resources in Yaosakor Asmat:

No Bible resources are listed for this language.

Provided by Faith Comes by Hearing

Or check out the Yaosakor Asmat bible at Bible.com

Linked from YouVersion

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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

But those who desire to be rich fall into temptation, into a snare, into many senseless and harmful desires that plunge people into ruin and destruction.
read1 Timothy 6:9

Pray for those, rich and poor, who have put their trust in worldly things, and ask that they will be honest with themselves, acknowledge their need for God and turn to Him.

And the Scripture, foreseeing that God would justify the Gentiles by faith, preached the gospel beforehand to Abraham, saying, "In you shall all the nations be blessed"
readGalatians 3:8

Ask the Lord to fulfill His promise to Abraham that all nations would be blessed by advancing the gospel to every people group who has yet to receive it.

The LORD is my chosen portion and my cup; you hold my lot... indeed, I have a beautiful inheritance.
readPsalm 16:5-6

Pray that as people place their faith in Christ and face hardship, they will remember that God is their portion and cup and that He has a beautiful inheritance for them.

The next day again John was standing with two of his disciples, and he looked at Jesus as he walked by and said, “Behold, the Lamb of God!”
readJohn 1:35-36

Pray for those God sends to cross cultures to share the gospel, that they might faithfully share the good news of the Lamb of God who takes away the sin of the world.

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

Strategic Progress Index
All

1 people group

PhotoPeople Group IDNameCountryPopulation ▼Strategic Progress IndexLanguageReligion
Yaosakor AsmatPG023099Yaosakor AsmatIndonesia3,000No Longer UnreachedYaosakor AsmatProtestantism

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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