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

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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:

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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

For with the LORD there is steadfast love, and with him is plentiful redemption.
readPsalm 130:7b

Pray for those who are unaware of God's steadfast love that is offered to them through Jesus Christ to learn the truth and experience His plentiful redemption.

Moses said, "Please show me your glory." And he said, "I will make all my goodness pass before you and will proclaim before you my name 'The LORD.' And I will be gracious to whom I will be gracious, and will show mercy on whom I will show mercy."
readExodus 33:18-19

Pray that many will come to know the glory of God, which is revealed in Jesus Christ, and that they will rejoice in the mercy He offers them.

So you also must consider yourselves dead to sin and alive to God in Christ Jesus.
readRomans 6:11

Pray that as people place their faith in Christ, they will lay down all evil desires, dying to sin and living for Him alone.

The Lord is not slow to fulfill his promise as some count slowness, but is patient toward you, not wishing that any should perish, but that all should reach repentance.
read2 Peter 3:9

Pray that those God sends to cross cultures will patiently endure hardships as they share the gospel, knowing that the Lord is not slow to fulfill His promise.

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.

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