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The Sialum of Papua New Guinea

The Sialum of Papua New Guinea, numbering approximately 900 people, are No Longer Unreached. They are an indigenous ethnic group of Papua New Guinea. They mostly adhere to Protestantism and Sialum is their primary language.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Papua New Guinea
People Cluster: New Guinea
Primary Language(s): Sialum (slw)
Primary Religion(s): Protestantism
Population: 900
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical
People Group ID: PG010442
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Pray for the Sialum 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

42%
%
Protestantism Adherents

Dig Deeper (Language):

Primary Language: Sialum
Language Family: Nuclear Trans New Guinea

65%
%
Sialum Speakers

Media Resources in Sialum:

Films:

No film resources are listed for this language.

Provided by the Jesus Film Project

View all resources

Bible Resources in Sialum:

No Bible resources are listed for this language.

Provided by Faith Comes by Hearing

Or check out the Sialum bible at Bible.com

Linked from YouVersion

View all resources

SPI: No longer Unreached

The Sialum 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 Sialum:
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 Sialum of Papua New Guinea

The sacrifices of God are a broken spirit; a broken and contrite heart, O God, you will not despise.
readPsalm 51:17

Pray that those who want to achieve salvation through their works will be unsettled in their pursuit and that, with a broken spirit and contrite heart, they will trust in Christ.

As for what was sown on good soil, this is the one who hears the word and understands it. He indeed bears fruit and yields, in one case a hundredfold, in another sixty, and in another thirty.
readMatthew 13:23

Pray that their hearts will have good soil that receives the Word, understands it, and bears fruit for God's kingdom.

Delight yourself in the Lord, and he will give you the desires of your heart.
readPsalm 37:4

Pray that as people place their faith in Christ, they will delight themselves in the Lord, trusting Him to give them the desires of their hearts.

The light shines in the darkness, and the darkness has not overcome it.
readJohn 1:5

Pray that when discouraging days come, those who cross cultures for the sake of the gospel will be comforted as they remember that the light of Christ is stronger than the darkness that surrounds them.

Sialum Across Countries (ROP3 - 108977) reported in the following countries:

Strategic Progress Index
All

1 people group

PhotoPeople Group IDNameCountryPopulation ▼Strategic Progress IndexLanguageReligion
SialumPG010442SialumPapua New Guinea900No Longer UnreachedSialumProtestantism

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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