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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

All we like sheep have gone astray; we have turnedóevery oneóto his own way; and the LORD has laid on him the iniquity of us all.
readIsaiah 53:6

Pray that those who have wandered far from God will be drawn back to Him, recognizing their need for a Savior and finding forgiveness and new life in Christ.

Or do you presume on the riches of his kindness and forbearance and patience, not knowing that God’s kindness is meant to lead you to repentance?
readRomans 2:4

Pray that, in God's kindness and according to His nature, He will lead many to repentance.

So you also must consider yourselves dead to sin and alive to God in Christ Jesus.
readRomans 6:11

Pray that as people place their faith in Christ, they will lay down all evil desires, dying to sin and living for Him alone.

For as in one body we have many members, and the members do not all have the same function, so we, though many, are one body in Christ, and individually members one of another.
readRomans 12:4-5

Ask God to send believers to people in other cultures and to help them use their gifts in harmony with others so that the body of Christ may be built up.

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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