The Seim of Papua New Guinea

The Seim of Papua New Guinea, numbering approximately 11,500 people, are No Longer Unreached. They are described as an indigenous ethnic group of Papua New Guinea They are an Indigenous people, with Seim 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 Mende (Papua New Guinea).

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Papua New Guinea
People Cluster: New Guinea
Primary Language(s): Mende (Papua New Guinea) (sim)
Primary Religion(s): Protestantism
Population: 11,500
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical
People Group ID: PG010425
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Pray for the Seim 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

56%
%

Dig Deeper (Language):

Primary Language: Mende (Papua New Guinea)
Language Family: Sepik

100%
%

Media Resources in Mende (Papua New Guinea):

Films:

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Bible Resources in Mende (Papua New Guinea):

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Or check out the Mende (Papua New Guinea) 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): 2% or Greater but Less than 5% Evangelical (GSEC: 4), this people group is greater than or equal to 2% evangelical

Next steps for the Seim:
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 Seim 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 Seim:
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 Seim 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 Seim:
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 Seim of Papua New Guinea

Turn to me and be saved, all the ends of the earth! For I am God, and there is no other.
readIsaiah 45:22

Pray for many lost people to turn to the Lord, finding forgiveness and salvation in Him, for He is the only way to true life and restoration.

And many nations shall join themselves to the LORD in that day, and shall be my people. And I will dwell in your midst, and you shall know that the LORD of hosts has sent me to you.
readZechariah 2:11

Pray that many will take refuge in the Lord and be His people who share the good news of salvation in Jesus with others.

And he said to them, “You have a fine way of rejecting the commandment of God in order to establish your tradition!"
readMark 7:9

Pray that as men, women, boys, and girls place their faith in Christ, they will let go of any traditions that do not honor Him.

But seek the welfare of the city where I have sent you into exile, and pray to the LORD on its behalf, for in its welfare you will find your welfare.
readJeremiah 29:7

Pray that God will lead the lost among them to followers of Jesus who will share the gospel with them so that they may believe and take the message of hope to their families and friends.

Seim Across Countries (ROP3 - 108794) 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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