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The Seim of Papua New Guinea

The Seim of Papua New Guinea, numbering approximately 12,000 people, are No Longer Unreached. They are an indigenous ethnic group of Papua New Guinea. They mostly adhere to Protestantism and Mende (Papua New Guinea) is their primary language.

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: 12,000
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.

Pray Now!
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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:

No film resources are listed for this language.

Provided by the Jesus Film Project

View all resources

Bible Resources in Mende (Papua New Guinea):

Bible Name (Translation) Video Audio Text
2005 Wycliffe Bible Translators, Inc ✓

1 entry

Provided by Faith Comes by Hearing

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

Linked from YouVersion

View all resources

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

For what can be known about God is plain to them, because God has shown it to them.
readRomans 1:19

Pray that God will use testimony of creation to cause those who do not yet know the gospel to long for truth and a relationship with the Author of life.

...I have trusted in your steadfast love; my heart shall rejoice in your salvation.
readPsalm 13:5

Ask God to bring many to trust in His unfailing love and cause their hearts to rejoice in His salvation.

It will be said on that day, “Behold, this is our God; we have waited for him, that he might save us. This is the LORD; we have waited for him; let us be glad and rejoice in his salvation.”
readIsaiah 25:9

Pray that as people place their faith in Christ, they will proclaim and rejoice in His salvation.

Oh give thanks to the LORD; call upon his name; make known his deeds among the peoples!
readPsalm 105:1

Pray that many among them will call on the name of Jesus, develop a heart for the nations, and go to places where the gospel has not yet been received.

Seim Across Countries (ROP3 - 108794) reported in the following countries:

Strategic Progress Index

All

1 people group

Photo People Group ID Name Country Population ▲ Strategic Progress Index Language Religion
Seim PG010425 Seim Papua New Guinea 12,000 No Longer Unreached Mende (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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