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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 mostly adhere to Roman Catholicism and Tok Pisin is their primary language.

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%
%
Roman Catholicism Adherents

Dig Deeper (Language):

Primary Language: Tok Pisin
Language Family: Indo-European

100%
%
Tok Pisin Speakers

Media Resources in Tok Pisin:

Films:
TitleLink
JESUSView Film

1 film

Provided by the Jesus Film Project

View all resources

Bible Resources in Tok Pisin:

Bible Name (Translation)VideoAudioText
1989 Bible Society of Papua New Guinea✓✓✓

1 entry

Provided by Faith Comes by Hearing

Or check out the Tok Pisin bible at Bible.com

Linked from YouVersion

View all resources

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

The Lord is a stronghold for the oppressed, a stronghold in times of trouble. And those who know your name put their trust in you, for you, O Lord, have not forsaken those who seek you.
readPsalm 9:9-10

Pray that God will help those who are oppressed and without hope to hear the good news of Jesus and trust in Him, for He has never forsaken those who seek Him.

Praise him for his mighty deeds; praise him according to his excellent greatness!
readPsalm 150:2

Pray for the gospel to advance among those who are living in darkness. Pray that they will come to know Jesus and praise Him for all that He has done.

He will swallow up death forever; and the Lord GOD will wipe away tears from all faces, and the reproach of his people he will take away from all the earth, for the LORD has spoken.
readIsaiah 25:8

Pray that as people place their faith in Christ, they will rejoice in the hope of the Lord's coming, when He will swallow up death forever and wipe away their tears.

Truly, truly, I say to you, unless a grain of wheat falls into the earth and dies, it remains alone; but if it dies, it bears much fruit.
readJohn 12:24

Pray that God will raise up men and women who are willing to die to their own desires, bearing much fruit for the kingdom among individuals and in places where His gospel has not been proclaimed.

Wiaki Across Countries (ROP3 - 110823) reported in the following countries:

Strategic Progress Index
All

1 people group

PhotoPeople Group IDNameCountryPopulation ▼Strategic Progress IndexLanguageReligion
WiakiPG010622WiakiPapua New Guinea1,600No Longer UnreachedTok PisinRoman 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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