Download the People Group List (16 languages .csv)

Amharic - አማርኛ | Arabic - عربي
Bengali - বাংলা | Chinese (Simplified) - 中文（简体）
Chinese (Traditional) - 中文（繁體) | French - Français
German - Deutsch | Gujarati - ગુજરાતી
Hindi - हिन्दी | Indonesian - Bahasa Indonesia
Korean - 한국어 | Nepali - नेपाली
Portugese - Português | Russian - Русский
Spanish - Espanol | Tagalong / Filipino
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PEOPLE GROUP PROFILE

The Sea Dayak of Malaysia

The Sea Dayak of Malaysia, numbering approximately 682,000 people, are No Longer Unreached. They are an ethnolinguistic community of Malaysia (Sarawak). They are an Indigenous people in the Borneo-Kalimantan people cluster of the Malay Peoples affinity bloc. Their primary language is Iban and their primary religion is Ethnoreligion.

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
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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.

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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:

Provided by the Jesus Film Project

View all resources

Bible Resources in Iban:

Provided by Faith Comes by Hearing

Or check out the Iban bible at Bible.com

Linked from YouVersion

View all resources

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% or Greater but Less than 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

For the Son of Man came to seek and save the lost.
readLuke 19:10

Pray that those who are lost will respond to the One who came to seek and save the lost, and experience the joy of being found.

...And that repentance for the forgiveness of sins should be proclaimed in his name to all nations, beginning from Jerusalem.
readLuke 24:47

Pray that the message of repentance and forgiveness through Jesus will reach everyone.

Let your speech always be gracious, seasoned with salt, so that you may know how you ought to answer each person.
readColossians 4:6

Pray that as people place their faith in Christ, their speech will always be gracious and ready to answer for the hope which is within them.

For so the Lord has commanded us, saying, “‘I have made you a light for the Gentiles, that you may bring salvation to the ends of the earth.’”
readActs 13:47

Pray that as people come to faith, they will follow the Lord's leading to go to their neighbors and share the treasure they found in Christ.

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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