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The Siar of Papua New Guinea

The Siar of Papua New Guinea, numbering approximately 4,700 people, are No Longer Unreached. They are an indigenous ethnic group of Papua New Guinea. They mostly adhere to Roman Catholicism and Siar-Lak is their primary language.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Papua New Guinea
People Cluster: New Guinea
Primary Language(s): Siar-Lak (sjr)
Primary Religion(s): Roman Catholicism
Population: 4,700
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical
People Group ID: PG010444
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Pray for the Siar 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: Roman Catholicism
Religious Affiliation: Christianity

78%
%
Roman Catholicism Adherents

Dig Deeper (Language):

Primary Language: Siar-Lak
Language Family: Austronesian

100%
%
Siar-Lak Speakers

Media Resources in Siar-Lak:

Films:
TitleLink
JESUSView Film

1 film

Provided by the Jesus Film Project

View all resources

Bible Resources in Siar-Lak:

No Bible resources are listed for this language.

Provided by Faith Comes by Hearing

Or check out the Siar-Lak bible at Bible.com

Linked from YouVersion

View all resources

SPI: No longer Unreached

The Siar 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 Siar:
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 Siar 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.

Whenever you enter a town and they receive you, eat what is set before you. Heal the sick in it and say to them, "the kingdom of God has come near to you."
readLuke 10:8-9

Pray that the lost will receive messengers of the gospel with joy, turn from their sins, and be healed.

He will wipe away every tear from their eyes, and death shall be no more, neither shall there be mourning, nor crying, nor pain anymore, for the former things have passed away.
readRevelation 21:4

Pray that as people place their faith in Christ and walk through challenges, they will find comfort in God's promise of a beautiful future when there is no pain or suffering for those who belong to Christ.

Surely goodness and mercy shall follow me all the days of my life, and I shall dwell in the house of the LORD forever.
readPsalm 23:6

Ask God to raise up believers who will share the hope that, for those who trust in Christ, goodness and love will follow them all the days of their lives, and they will dwell in the house of the Lord forever.

Siar Across Countries (ROP3 - 108982) reported in the following countries:

Strategic Progress Index
All

1 people group

PhotoPeople Group IDNameCountryPopulation ▼Strategic Progress IndexLanguageReligion
SiarPG010444SiarPapua New Guinea4,700No Longer UnreachedSiar-LakRoman Catholicism

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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