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

Pray for the Aiku 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.

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!

Bible Resources in Yangum Mon:

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

Linked from YouVersion

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 God alone my soul waits in silence; from him comes my salvation.
readPsalm 62:1

Pray that those who are troubled and don't know about the God who saves will hear the good news and find rest in the one true God who can offer salvation for their souls.

So his fame spread throughout all Syria, and they brought him all the sick, those afflicted with various diseases and pains, those oppressed by demons, those having seizures, and paralytics, and he healed them
readMatthew 4:24

Pray that the truth about the Lord will spread throughout the land so that many will have an opportunity to receive the good news and put their faith in Him.

Unless the LORD builds the house, those who build it labor in vain. Unless the LORD watches over the city, the watchman stays awake in vain.
readPsalm 127:1

Pray that as people place their faith in Christ, they will build their homes in the Lord and raise their children to know and honor Him.

I do it all for the sake of the gospel, that I may share with them in its blessing.
read1 Corinthians 9:23

Ask God to give believers a deep desire to share the gospel with those who don't know the truth about God's redemption plan, and to provide them with opportunities to do so cross-culturally.

Aiku (ROP3 - 100147) reported in the following countries:

To download a comprehensive people group list in spreadsheet form, visit our Research Data page.

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