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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 Christianity - 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): Christianity - 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: Christianity - Protestantism
Religious Affiliation: Christianity

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Dig Deeper (Language):

Primary Language: Koiali, Mountain
Language Family: Koiarian

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Media Resources in Koiali, Mountain:

Films:

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Bible Resources in Koiali, Mountain:

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Provided by Faith Comes by Hearing

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

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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

And Samuel said to Saul, “You have done foolishly. You have not kept the command of the Lord your God, with which he commanded you."
read1 Samuel 13:13a

Pray that those who are walking in disobedience will recognize their sin and to turn to God.

“Worthy are you, our Lord and God, to receive glory and honor and power, for you created all things, and by your will they existed and were created.”
readRevelation 4:11

Pray that the good news will advance and people will recognize and worship the One who created all things by His will, giving glory and honor to Him alone.

He alone is my rock and my salvation, my fortress; I shall not be greatly shaken.
readPsalm 62:2

Pray that as people place their faith in Christ, they will be in awe of Jesus, remembering that He is their rock, their fortress, and their salvation.

For God so loved the world, that he gave his only Son, that whoever believes in him should not perish but have eternal life.
readJohn 3:16

Pray that God will send and sustain believers to cross cultures and share the gospel with the lost. Ask that He will give them His heart for the lost and that many will believe in Him and not perish but have eternal life.

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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