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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

For at one time you were darkness, but now you are light in the Lord. Walk as children of light.
readEphesians 5:8

Pray that those who are lost will turn from the darkness they are walking in and embrace the light, becoming children of light who bear fruit in every good work.

Worship the LORD in the splendor of holiness; tremble before him, all the earth!
readPsalm 96:9

Pray that many who do not yet know Jesus will come to know Him and worship Him in the splendor of His holiness.

Let us hold fast the confession of our hope without wavering, for he who promised is faithful.
readHebrews 10:23

Pray that as people place their faith in Christ, they will cling tightly to the hope they have in God to faithfully keep His promises.

After this the Lord appointed seventy-two others and sent them on ahead of him, two by two, into every town and place where he himself was about to go.
readLuke 10:1

Ask God to raise up, send out, and sustain Christians who can go together to share the good news of Jesus with those who need it.

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

Strategic Progress Index
All

1 people group

PhotoPeople Group IDNameCountryPopulationStrategic 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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