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PEOPLE GROUP PROFILE

The Kosorong of Papua New Guinea

The Kosorong of Papua New Guinea, numbering approximately 4,600 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 language is Borong and their primary religion is Ethnoreligion.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Papua New Guinea
People Cluster: New Guinea
Primary Language(s): Borong (ksr)
Primary Religion(s): Ethnoreligion
Population: 4,600
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 5% or Greater but Less than 10% Evangelical
People Group ID: PG010093
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Pray for the Kosorong 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.

Pray Now!
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Dig Deeper (Religion):

Primary Religion: Ethnoreligion
Religious Affiliation: Ethnoreligion

38%
%
Ethnoreligion Adherents

Dig Deeper (Language):

Primary Language: Borong
Language Family: Nuclear Trans New Guinea

100%
%
Borong Speakers

Media Resources in Borong:

Films:

No entries found for: Borong(ksr). Help build some!

Provided by the Jesus Film Project

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Bible Resources in Borong:

Provided by Faith Comes by Hearing

Or check out the Borong bible at Bible.com

Linked from YouVersion

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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): Moderately Reached People Group, (LPI: 5), 6% to 20% Evangelical.
Global Status of Evangelical Christianity (GSEC): 5% or Greater but Less than 10% Evangelical (GSEC: 5), this people group is greater than or equal to 5% evangelical

Next steps for the Kosorong:
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 Kosorong 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 Kosorong:
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 Kosorong 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 Kosorong:
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 Kosorong 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.

Ascribe to the LORD, O families of the peoples, ascribe to the LORD glory and strength!
readPsalm 96:7

Pray that entire households will come to faith in Jesus and that God will bless their families with faith in Him for generations to come.

Your words were found, and I ate them, and your words became to me a joy and the delight of my heart, for I am called by your name, O LORD, God of host.
readJeremiah 15:16

Pray that as people place their faith in Christ, they will find joy and delight in the Word of the Lord.

To the weak I became weak, that I might win the weak. I have become all things to all people, that by all means I might save some.
read1 Corinthians 9:22

Ask God to raise up believers from around the world to go and share the hope of Jesus with the lost so that they might trust in Him and have the hope of eternal life.

Kosorong Across Countries (ROP3 - 105255) 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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