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PEOPLE GROUP PROFILE

The Sepa of Papua New Guinea

The Sepa of Papua New Guinea, numbering approximately 1,500 people, are No Longer Unreached. They are described as an indigenous ethnic group of Papua New Guinea They are an Indigenous people, with Sepa as their ethnic/kinship group and are in the New Guinea people cluster of the Pacific Islander Peoples. Their primary religion is Protestantism. They primarily speak Sepa (Papua New Guinea).

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Papua New Guinea
People Cluster: New Guinea
Primary Language(s): Sepa (Papua New Guinea) (spe)
Primary Religion(s): Protestantism
Population: 1,500
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 5% or Greater but Less than 10% Evangelical
People Group ID: PG010432
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Pray for the Sepa 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.

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Dig Deeper (Religion):

Primary Religion: Protestantism
Religious Affiliation: Christianity

37%
%
Protestantism Adherents

Dig Deeper (Language):

Primary Language: Sepa (Papua New Guinea)
Language Family: Austronesian

65%
%
Sepa (Papua New Guinea) Speakers

Media Resources in Sepa (Papua New Guinea):

Films:

No film resources are listed for this language.

Provided by the Jesus Film Project

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Bible Resources in Sepa (Papua New Guinea):

No Bible resources are listed for this language.

Provided by Faith Comes by Hearing

Or check out the Sepa (Papua New Guinea) bible at Bible.com

Linked from YouVersion

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SPI: No longer Unreached

The Sepa 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 Sepa:
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 Sepa of Papua New Guinea

And the people of Israel went into the midst of the sea on dry ground, the waters being a wall to them on their right hand and on their left.
readExodus 14:22

Pray that the God who split the sea so that the Israelites might pass through would do another great work among these people, softening the hearts of those who remain lost to the good news and saving them from their sins.

The steadfast love of the LORD never ceases; his mercies never come to an end; they are new every morning; great is your faithfulness.
readLamentations 3:23-23

Pray that they will have hope in the Lord, knowing that His compassions never fails and that His mercies are new every morning.

But my righteous one shall live by faith, and if he shrinks back, my soul has no pleasure in him.
readHebrews 10:38

Pray that as people trust in Christ, they will live by faith and not shrink back from their hope in Christ.

Let them praise his name with dancing, making melody to him with tambourine and lyre!
readPsalm 149:3

Pray that God will send His people across cultures to share the gospel so that those who don't yet know the truth about Him might praise His name and share the hope of Christ with others.

Sepa Across Countries (ROP3 - 108850) reported in the following countries:

Strategic Progress Index
All

1 people group

PhotoPeople Group IDNameCountryPopulation ▼Strategic Progress IndexLanguageReligion
SepaPG010432SepaPapua New Guinea1,500No Longer UnreachedSepa (Papua New Guinea)Protestantism

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 Data Standards section.

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