The Sepen of Papua New Guinea

The Sepen of Papua New Guinea, numbering approximately 1,400 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 Akukem and their primary religion is Protestantism.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Papua New Guinea
People Cluster: New Guinea
Primary Language(s): Akukem (spm)
Primary Religion(s): Protestantism
Population: 1,400
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 5% or Greater but Less than 10% Evangelical
People Group ID: PG010433
View on Joshua Project

Pray for the Sepen 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: Protestantism
Religious Affiliation: Christianity

36%
%

Dig Deeper (Language):

Primary Language: Akukem
Language Family: Ramu

65%
%

Media Resources in Akukem:

Films:

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Bible Resources in Akukem:

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Or check out the Akukem 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): Marginally Reached People Group, (LPI: 4), 3% to 6% 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 Sepen:
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 Sepen 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 Sepen:
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 Sepen 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 Sepen:
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 Sepen of Papua New Guinea

That they should seek God, and perhaps feel their way toward him and find him. Yet he is actually not far from each one of us.
readActs 17:27

Pray that those who don't yet know Christ will search diligently for God and find Him, though He is not far from each one of us.

Then the LORD God formed the man of dust from the ground and breathed into his nostrils the breath of life, and the man became a living creature.
readGenesis 2:7

Pray that Christians will be able to share the hope of Christ with suffering people and that He will breathe new life into their souls.

My Father, who has given them to me, is greater than all, and no one is able to snatch them out of the Father’s hand.
readJohn 10:29

Pray that as people place their faith in Christ, they will rejoice as they remember that they can never lose their salvation

And he said to them, "The harvest is plentiful, but the laborers are few. Therefore pray earnestly to the Lord of the harvest to send out laborers into his harvest."
readLuke 10:2

Ask God to send out laborers into His harvest field, raising up believers from around the world to go and proclaim the kingdom of God with those who need to hear it.

Sepen Across Countries (ROP3 - 108851) 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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