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PEOPLE GROUP PROFILE

The Aiku of Papua New Guinea

The Aiku of Papua New Guinea, numbering approximately 2,500 people, are No Longer Unreached. They are an indigenous ethnic group of Papua New Guinea and can also be known as Wiaki, Menandon. They are an Indigenous people, in the New Guinea people cluster of the Pacific Islanders affinity bloc. Their primary religion is Christianity - Protestantism. They primarily speak Yangum Mon.

Photo by Google. (2025). Image generated by Gemini 2.5 Flash: Aiku

Fast Facts:

Affinity Group: Asian Pacific Rim Peoples
Country: Papua New Guinea
People Cluster: New Guinea
Primary Language(s): Yangum Mon (ymo)
Primary Religion(s): Christianity - Protestantism
Population: 2,500
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 5% or Greater but Less than 10% Evangelical
People Group ID: PG009662

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Pray for the Aiku of Papua New Guinea

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Dig Deeper (Religion):

Primary Religion: Christianity - Protestantism
Religious Affiliation: Christianity

%
Christianity - Protestant… Adherents

Dig Deeper (Language):

Primary Language: Yangum Mon
Language Family: Nuclear Torricelli

%
Yangum Mon Speakers

Media Resources in Yangum Mon:

Films:

No entries found for: Yangum Mon(ymo). Help build some!

Provided by the Jesus Film Project

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Bible Resources in Yangum Mon:

Provided by Faith Comes by Hearing

Or check out the Yangum Mon bible resources at Bible.com

Linked from YouVersion

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Next steps for the Aiku

The Aiku are Unengaged and Unreached, 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.

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

Next steps for the Aiku

The Aiku 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.

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

Next steps for the Aiku

The Aiku 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.

Empower local believers to begin praying for their own people
Continue gospel seed sowing and church planting among this group
Encourage local leaders to being leading church planting strategy and looking for Unreached and Unengaged groups nearby

Pray specifically for the Aiku of Papua New Guinea

For my own sake, for my own sake, I do it, for how should my name be profaned? My glory I will not give to another.
readIsaiah 48:11

Pray that those who have been living for their own glory will turn to the One who is worthy of all praise and find their true identity in Him.

Jesus said to them, "I am the bread of life; whoever comes to me shall not hunger, and whoever believes in me shall never thirst."
readJohn 6:35

Pray that the lost will come to Jesus and believe in Him, never to hunger or thirst again.

Walk in wisdom toward outsiders, making the best use of the time.
readColossians 4:5

Pray that as people place their faith in Christ, they will be wise in the way they walk with the lost and manage their time and other resources in a way that honors God.

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 God will bring people to faith who are excited about the eternal life they have in Christ and will want to cross cultures to share this hope with others.

Aiku (ROP3 - 100147) 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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