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

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: 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

And Jesus came and said to them, “All authority in heaven and on earth has been given to me. Go therefore and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit, teaching them to observe all that I have commanded you. And behold, I am with you always, to the end of the age.”
readMatthew 28:16-20

Pray that those who don't yet know Him will encounter the risen Savior and be transformed by the power of His resurrection, becoming disciples who make disciples.

And he said to the woman, “Your faith has saved you; go in peace.”
readLuke 7:50

Pray for the good news of Jesus Christ to reach many so that they can place their faith in Him and have lasting hope.

And they devoted themselves to the apostles' teaching and the fellowship, to the breaking of bread and the prayers.
readActs 2:42

Pray that as people place their faith in Christ, they will devote themselves to God's Word, to fellowship with each other, and to prayer.

O LORD, our Lord, how majestic is your name in all the earth! You have set your glory above the heavens.
readPsalm 8:1

Pray that God will raise up people who love Him and are able and willing to go to and share the hope of the gospel with those who don't know it. Pray that everyone will see His name as majestic in all the earth!

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.

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