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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

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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

If we say we have no sin, we deceive ourselves, and the truth is not in us. If we confess our sins, he is faithful and just to forgive us our sins and to cleanse us from all unrighteousness.
read1 John 1:9

Pray that God, who is faithful and just, will open the eyes of those who are lost and draw them to confess their sins and trust in Him to grant forgiveness.

“Your kingdom come, your will be done, on earth as it is in heaven. Give us this day our daily bread."
readMatthew 6:10-11

As people go about their daily lives, pray they will have the opportunity to encounter Jesus-followers, receive the gospel, and respond with joy. Pray that, as God provides for their daily needs, He will also bring many into His beautiful kingdom.

If any of you lacks wisdom, let him ask God, who gives generously to all without reproach, and it will be given him.
readJames 1:5

Pray that as people place their faith in Christ, they will ask God for wisdom when they lack it, trusting that He will generously give it to them.

For great is the Lord, and greatly to be praised; he is to be feared above all gods.
readPsalm 96:4

Pray that God will raise up believers to declare His glory among the lost, so that they may know that He is great and greatly to be praised, that He is exalted above all gods.

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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