Download the People Group List (16 languages .csv)

Amharic - አማርኛ | Arabic - عربي
Bengali - বাংলা | Chinese (Simplified) - 中文（简体）
Chinese (Traditional) - 中文（繁體) | French - Français
German - Deutsch | Gujarati - ગુજરાતી
Hindi - हिन्दी | Indonesian - Bahasa Indonesia
Korean - 한국어 | Nepali - नेपाली
Portugese - Português | Russian - Русский
Spanish - Espanol | Tagalong / Filipino
Be sure to use the data import function in your favorite app for working with data.
If you'd like to help improve these translations, Contact Us.

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
View on Joshua Project

Print Profile
Submit Updates

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!
Download Prayer Guide

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:

Provided by the Jesus Film Project

View all resources

Bible Resources in Tok Pisin:

Provided by Faith Comes by Hearing

Or check out the Tok Pisin bible at Bible.com

Linked from YouVersion

View all resources

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

I am the LORD; that is my name; my glory I give to no other, nor my praise to carved idols.
readIsaiah 42:8

Pray that lost people will turn from worthless idols to worship the one true God, recognizing that He alone is worthy of all glory and praise.

Oh, taste and see that the LORD is good! Blessed is the man who takes refuge in him!
readPsalm 34:8

Pray that the gospel will advance and that many will have the opportunity to taste and see the goodness of God and entrust their lives to Him.

But we are not of those who shrink back and are destroyed, but of those who have faith and preserve their souls.
readHebrews 10:39

Pray that as people place their faith in Christ, and faithfully follow God, they will share Christ boldly with those around them.

And he said to them, "The harvest is plentiful, but the laborers are few. Therefore pray earnestly to the Lord of the harvest to send out laborers into his harvest."
readLuke 10:2

Ask God to send out laborers into His harvest field, raising up believers from around the world to go and proclaim the kingdom of God with those who need to hear it.

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.

Scroll to Top