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PEOPLE GROUP PROFILE

The Seim of Papua New Guinea

The Seim of Papua New Guinea, numbering approximately 11,500 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 Mende (Papua New Guinea) and their primary religion is Protestantism.

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.

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Dig Deeper (Religion):

Primary Religion: Protestantism
Religious Affiliation: Christianity

56%
%
Protestantism Adherents

Dig Deeper (Language):

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

100%
%
Mende (Papua New Guinea) Speakers

Media Resources in Mende (Papua New Guinea):

Films:

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Bible Resources in Mende (Papua New Guinea):

Provided by Faith Comes by Hearing

Or check out the Mende (Papua New Guinea) 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): 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

And this gospel of the kingdom will be proclaimed throughout the whole world as a testimony to all nations, and then the end will come.
readMatthew 24:14

Pray that the message of hope will reach those who are wandering in darkness, offering them a path to eternal life.

Therefore, since we have been justified by faith, we have peace with God through our Lord Jesus Christ.
readRomans 5:1

Pray that the gospel will advance and that many who are far from God will receive the good news of salvation with joy and have peace with God through faith in His Son Jesus Christ.

The point is this: whoever sows sparingly will also reap sparingly, and whoever sows bountifully will also reap bountifully.
read2 Corinthians 9:6

Pray that as people place their faith in Christ, they will remember the principle of sowing and reaping, and be generous in their giving and serving, knowing that they will reap a generous harvest.

He came as a witness, to bear witness about the light, that all might believe through him.
readJohn 1:7

Pray that God will raise up witnesses to testify about Jesus so that all might believe, knowing that He is light and in Him there is no darkness at all.

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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