The Sea Dayak of Malaysia

The Sea Dayak of Malaysia, numbering approximately 682,000 people, are No Longer Unreached. They are described as an ethnolinguistic community of Malaysia (Sarawak) They are an Indigenous people, with Iban, Sea Dayak as their ethnic/kinship group and are in the Borneo-Kalimantan people cluster of the Malay Peoples. Their primary religion is Ethnoreligion. They primarily speak Iban.

Photo by Google. (2026). Image generated by Gemini 2.5 Flash: Sea Dayak

Fast Facts:

Affinity Group: Malay Peoples
Country: Malaysia
People Cluster: Borneo-Kalimantan
Primary Language(s): Iban (iba)
Primary Religion(s): Ethnoreligion
Population: 682,000
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG009325
View on Joshua Project

Pray for the Sea Dayak of Malaysia

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: Ethnoreligion
Religious Affiliation: Ethnoreligion

60%
%
Ethnoreligion Adherents

Dig Deeper (Language):

Primary Language: Iban
Language Family: Austronesian

100%
%
Iban Speakers

Media Resources in Iban:

Films:

Bible Resources in Iban:

Or check out the Iban bible at Bible.com

Linked from YouVersion

Explore Lostness and Next Steps

Unengaged and Unreached

Strategic Priority Index (SPI): Unengaged and Unreached (SPI: 2), 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.
Lostness Priority Index (LPI): Moderately Reached People Group, (LPI: 5), 6% to 20% Evangelical.
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical (GSEC: 6), this people group is greater than or equal to 10% evangelical

Next steps for the Sea Dayak:
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

SPI: Unreached yet Engaged

The Sea Dayak 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.

Next steps for the Sea Dayak:
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

SPI: No longer Unreached

The Sea Dayak 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 Sea Dayak:
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 Sea Dayak of Malaysia

Hear, O LORD, and be merciful to me! O LORD, be my helper!
readPsalm 30:10

Pray that people in the depths of despair and suffering and living outside of relationship with Christ will cry out to the Lord and find help, peace, and joy in Him.

And he made from one man every nation of mankind to live on all the face of the earth, having determined allotted periods and the boundaries of their dwelling place, that they should seek God, and perhaps feel their way toward him and find him. Yet he is actually not far from each one of us.
readActs 17:26-27

Pray that the lost will seek God and find Him, for He is not far from each one of us. Pray that they will have opportunities to access the gospel, learn God's purpose for their lives, and believe in Him.

And he brought him outside and said, "Look toward heaven, and number the stars, if you are able to number them." Then he said to him, "So shall your offspring be.”
readGenesis 15:5

Pray that as people place their faith in Christ, they will trust God to keep His promises.

And the ransomed of the LORD shall return and come to Zion with singing; everlasting joy shall be upon their heads; they shall obtain gladness and joy, and sorrow and sighing shall flee away.
readIsaiah 51:11

Pray that, as God sends people to cross cultures and share the good news of Jesus, many will turn to the Lord in repentance and faith and start a personal relationship with Him that will bring them everlasting joy.

Iban Across Countries (ROP3 - 103933) 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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