The Siduan of Malaysia

The Siduan of Malaysia, numbering approximately 1,000 people, are No Longer Unreached. They are described as an ethnolinguistic community of Malaysia They are an Indigenous people, with Siduan as their ethnic/kinship group and are in the Borneo-Kalimantan people cluster of the Malay Peoples. Their primary religion is Sunni Islam. They primarily speak Melanau, Sibu.

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

Fast Facts:

Affinity Group: Malay Peoples
Country: Malaysia
People Cluster: Borneo-Kalimantan
Primary Language(s): Melanau, Sibu (sdx)
Primary Religion(s): Sunni Islam
Population: 1,000
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical
People Group ID: PG009341
View on Joshua Project

Pray for the Siduan 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: Sunni Islam
Religious Affiliation: Islam

50%
%
Sunni Islam Adherents

Dig Deeper (Language):

Primary Language: Melanau, Sibu
Language Family: Austronesian

70%
%
Melanau, Sibu Speakers

Media Resources in Melanau, Sibu:

Films:

No entries found for: Melanau, Sibu(sdx). Help build some!

Bible Resources in Melanau, Sibu:

Or check out the Melanau, Sibu 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): Marginally Reached People Group, (LPI: 4), 3% to 6% Evangelical.
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical (GSEC: 4), this people group is greater than or equal to 2% evangelical

Next steps for the Siduan:
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 Siduan 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 Siduan:
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 Siduan 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 Siduan:
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 Siduan of Malaysia

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.

“Your kingdom come, your will be done, on earth as it is in heaven. Give us this day our daily bread."
readMatthew 6:10-11

As people go about their daily lives, pray they will have the opportunity to encounter Jesus-followers, receive the gospel, and respond with joy. Pray that, as God provides for their daily needs, He will also bring many into His beautiful kingdom.

We give thanks to you, O God; we give thanks, for your name is near. We recount your wondrous deeds.
readPsalm 75:1

Pray that as people place their faith in Christ, they will give thanks to the Lord for His wondrous works and declare His goodness to all people.

And through him to reconcile to himself all things, whether on earth or in heaven, making peace by the blood of his cross.
readColossians 1:20

As believers cross cultures to tell others about Jesus, praise God for allowing them to be a part of His reconciling all things to Himself, asking Him to help them remember their role in His beautiful plan of salvation for others.

Siduan Across Countries (ROP3 - 108989) 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.

Scroll to Top