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PEOPLE GROUP PROFILE

The Mountain Koiari of Papua New Guinea

The Mountain Koiari of Papua New Guinea, numbering approximately 7,000 people, are No Longer Unreached. They are an indigenous ethnic group of Papua New Guinea. They are an Indigenous people, in the New Guinea people cluster of the Pacific Islander Peoples affinity bloc. Their primary religion is Protestantism. They primarily speak Koiali, Mountain.

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

Fast Facts:

Affinity Group: Asian Pacific Rim Peoples
Country: Papua New Guinea
People Cluster: New Guinea
Primary Language(s): Koiali, Mountain (kpx)
Primary Religion(s): Protestantism
Population: 7,000
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 5% or Greater but Less than 10% Evangelical
People Group ID: PG010252
View on Joshua Project

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Pray for the Mountain Koiari of Papua New Guinea

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Dig Deeper (Religion):

Primary Religion: Protestantism
Religious Affiliation: Christianity

%
Protestantism Adherents

Dig Deeper (Language):

Primary Language: Koiali, Mountain
Language Family: Koiarian

%
Koiali, Mountain Speakers

Media Resources in Koiali, Mountain:

Films:

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Bible Resources in Koiali, Mountain:

Provided by Faith Comes by Hearing

Or check out the Koiali, Mountain bible resources at Bible.com

Linked from YouVersion

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Next steps for the Mountain Koiari

The Mountain Koiari are Unengaged and Unreached, 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.

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

Next steps for the Mountain Koiari

The Mountain Koiari 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.

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

Next steps for the Mountain Koiari

The Mountain Koiari 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.

Empower local believers to begin praying for their own people
Continue gospel seed sowing and church planting among this group
Encourage local leaders to being leading church planting strategy and looking for Unreached and Unengaged groups nearby

Pray specifically for the Mountain Koiari of Papua New Guinea

Every word of God proves true; he is a shield to those who take refuge in him.
readProverbs 30:5

Pray that those who don't yet know God will trust the flawless Word of God and seek refuge in Him, finding hope and salvation instead of remaining in spiritual darkness.

And the word of God continued to increase, and the number of the disciples multiplied greatly in Jerusalem, and a great many of the priests became obedient to the faith.
readActs 6:7

Pray that the Word of God will be increasingly available to these people in ways they will resonate with so that all may have a chance to respond to the good news of Jesus Christ.

For the sake of Christ, then, I am content with weaknesses, insults, hardships, persecutions, and calamities. For when I am weak, then I am strong.
read2 Corinthians 12:10

Pray that as people place their faith in Christ, they will embrace their weaknesses, hardships, and difficulties, having hope because Christ's power is made perfect in their weakness.

And Jesus said to them, "Follow me, and I will make you become fishers of men." And immediately they left their nets and followed him.
readMark 1:17-18

Pray that God will raise up believers from this place and/or other cultures nearby to proclaim the gospel to those who desperately need to encounter it.

Mountain Koiari (ROP3 - 106829) 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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