The Musan of Papua New Guinea

The Musan of Papua New Guinea, numbering approximately 400 people, are No Longer Unreached. They are described as an indigenous ethnic group of Papua New Guinea They are an Indigenous people, with Musan as their ethnic/kinship group and are in the New Guinea people cluster of the Pacific Islander Peoples. Their primary religion is Animism. They primarily speak Siawi.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Papua New Guinea
People Cluster: New Guinea
Primary Language(s): Siawi (mmp)
Primary Religion(s): Animism
Population: 400
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical
People Group ID: PG010265
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Pray for the Musan of Papua New Guinea

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Dig Deeper (Religion):

Primary Religion: Animism
Religious Affiliation: Ethnoreligion

90%
%
Animism Adherents

Dig Deeper (Language):

Primary Language: Siawi
Language Family: Amto-Musan

65%
%
Siawi Speakers

Media Resources in Siawi:

Films:

No entries found for: Siawi(mmp). Help build some!

Bible Resources in Siawi:

Or check out the Siawi 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): Minimally Reached People Group, (LPI: 3), 2% to 3% 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 Musan:
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 Musan 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 Musan:
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 Musan 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 Musan:
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 Musan of Papua New Guinea

For by him all things were created, in heaven and on earth, visible and invisible, whether thrones or dominions or?rulers?or authorities—all things were created through him and for him.
readColossians 1:16

Pray for those who are lost among them, that they will come to know the One who created all things and holds all things together.

Then Job arose and tore his robe and shaved his head and fell on the ground and worshiped. And he said, ‘Naked I came from my mother’s womb, and naked shall I return. The LORD gave, and the LORD has taken away; blessed be the name of the LORD.’ In all this Job did not sin or charge God with wrong.
readJob 1:20-22

Pray that those who mourn will worship God in the midst of their suffering and loss, recognizing He is the source of all good things and that He is worthy of their praise and trust.

And I am sure of this, that he who began a good work in you will bring it to completion at the day of Jesus Christ.
readPhilippians 1:6

Pray that as people place their faith in Christ, they will be assured that God will complete the good work He has begun in them until the day of Christ's return.

So then it depends not on human will or exertion, but on God who has mercy.
readRomans 9:16

Ask God to raise up people who will trust in His sovereignty as they share the gospel, knowing that it depends not on human will or exertion, but on God who has mercy.

Musan Across Countries (ROP3 - 106936) 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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