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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)VideoAudioText
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

Jesus said to him, "I am the way, and the truth, and the life. No one comes to the Father except through me."
readJohn 14:6

Pray that those who don't know Jesus will recognize Him as the only way to the Father and follow Him in faith.

Greet also the church in their house. Greet my beloved Epaenetus, who was the first convert to Christ in Asia."
readRomans 16:5

Pray for houses to be meeting places for Christians and that God will advance the gospel and grow His Church through natural familial and community relationships.

So Jesus said to the Jews who had believed him, “If you abide in my word, you are truly my disciples."
readJohn 8:31

Pray that as people place their faith in Christ, they will abide in Christ daily, depending on Him for every need.

Finally, be strong in the Lord and in the strength of his might.
readEphesians 6:10

Ask God to strengthen believers with His mighty power so that as they cross cultures to share the gospel, they will stand firm against the schemes of the enemy.

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

Strategic Progress Index
All

1 people group

PhotoPeople Group IDNameCountryPopulation ▼Strategic Progress IndexLanguageReligion
SeimPG010425SeimPapua New Guinea12,000No Longer UnreachedMende (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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