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PEOPLE GROUP PROFILE

The Sirak of Papua New Guinea

The Sirak of Papua New Guinea, numbering approximately 550 people, are No Longer Unreached. They are described as an indigenous ethnic group of Papua New Guinea They are an Indigenous people, with Sirak as their ethnic/kinship group and are in the New Guinea people cluster of the Pacific Islander Peoples. Their primary religion is Protestantism. They primarily speak Nafi.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Papua New Guinea
People Cluster: New Guinea
Primary Language(s): Nafi (srf)
Primary Religion(s): Protestantism
Population: 550
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 5% or Greater but Less than 10% Evangelical
People Group ID: PG010463
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Pray for the Sirak 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

47%
%
Protestantism Adherents

Dig Deeper (Language):

Primary Language: Nafi
Language Family: Austronesian

65%
%
Nafi Speakers

Media Resources in Nafi:

Films:

No entries found for: Nafi(srf). Help build some!

Provided by the Jesus Film Project

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Bible Resources in Nafi:

Provided by Faith Comes by Hearing

Or check out the Nafi 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): 5% or Greater but Less than 10% Evangelical (GSEC: 5), this people group is greater than or equal to 5% evangelical

Next steps for the Sirak:
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 Sirak 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 Sirak:
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 Sirak 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 Sirak:
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 Sirak of Papua New Guinea

For the wages of sin is death, but the free gift of God is eternal life in Christ Jesus our Lord.
readRomans 6:23

Pray that those who do know about God's free gift will hear and believe that the wages of sin is death, but the free gift of God is eternal life in Christ Jesus our Lord and that they will joyfully accept this gift.

The mountains rose, the valleys sank down to the place that you appointed for them.
readPsalm 104:8

Pray that they will see the hand of God in the beauty and order of the natural world, and that they will worship Him as the Creator and Sustainer of all things.

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.

I will give thanks to you, O Lord, among the peoples; I will sing praises to you among the nations.
readPsalm 57:9

Pray that God will raise up believers among them who will boldly go and share the gospel with people nearby and with those far away.

Sirak Across Countries (ROP3 - 109325) 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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