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PEOPLE GROUP PROFILE

The Wiaki of Papua New Guinea

The Wiaki of Papua New Guinea, numbering approximately 1,600 people, are No Longer Unreached. They are an indigenous ethnic group of Papua New Guinea. They are an Indigenous people in the New Guinea people cluster of the Pacific Islander Peoples affinity bloc. Their primary language is Tok Pisin and their primary religion is Roman Catholicism.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Papua New Guinea
People Cluster: New Guinea
Primary Language(s): Tok Pisin (tpi)
Primary Religion(s): Roman Catholicism
Population: 1,600
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 5% or Greater but Less than 10% Evangelical
People Group ID: PG010622
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Pray for the Wiaki 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

85%
%

Dig Deeper (Language):

Primary Language: Tok Pisin
Language Family: Indo-European

100%
%

Media Resources in Tok Pisin:

Films:

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Provided by the Jesus Film Project

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Bible Resources in Tok Pisin:

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Provided by Faith Comes by Hearing

Or check out the Tok Pisin 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 Wiaki:
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 Wiaki 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 Wiaki:
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 Wiaki 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 Wiaki:
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 Wiaki of Papua New Guinea

For God is the King of all the earth; sing praises with a psalm!
readPsalm 47:7

Pray for those who live for idols that will never satisfy their hearts, asking that someone will tell them that God is the King of all the earth so that they will turn to Him in repentance and praise.

O LORD, how manifold are your works! In wisdom have you made them all; the earth is full of your creatures.
readPsalm 104:24

Pray that they will see the wisdom and power of God in His creation and praise Him for His mighty works.

If then you have been raised with Christ, seek the things that are above, where Christ is, seated at the right hand of God.
readColossians 3:1

Pray that as people place their faith in Christ, they will seek the things that are above, where Christ is, seated at the right hand of God.

And he went away and began to proclaim in the Decapolis how much Jesus had done for him, and everyone marveled.
readMark 5:20

Pray that God will bring people who appear beyond hope to faith in Jesus and that they will then go and tell others of the marvelous things He has done.

Wiaki Across Countries (ROP3 - 110823) 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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