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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. They are an Indigenous people in the New Guinea people cluster of the Pacific Islander Peoples affinity bloc. Their primary language is Yangum Mon and their primary religion is Protestantism.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Papua New Guinea
People Cluster: New Guinea
Primary Language(s): Yangum Mon (ymo)
Primary Religion(s): 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

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: Protestantism
Religious Affiliation: Christianity

45%
%

Dig Deeper (Language):

Primary Language: Yangum Mon
Language Family: Nuclear Torricelli

65%
%

Media Resources in Yangum Mon:

Films:

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Provided by the Jesus Film Project

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Bible Resources in Yangum Mon:

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Provided by Faith Comes by Hearing

Or check out the Yangum Mon bible at Bible.com

Linked from YouVersion

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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% or Greater but Less than 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 Aiku:
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 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.

Next steps for the Aiku:
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 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.

Next steps for the Aiku:
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 Aiku of Papua New Guinea

Note then the kindness and the severity of God: severity toward those who have fallen, but God's kindness to you, provided you continue in his kindness. Otherwise you too will be cut off.
readRomans 11:22

Pray that God will transform those who persist in unbelief and, in His everlasting kindness, graft them into His family.

Let the nations be glad and sing for joy, for you judge the peoples with equity and guide the nations upon earth.
readPsalm 67:4

Pray that God will use ways from in-person witnesses to digital gospel resources to bring the joy of His salvation to everyone so that they can be glad in Him and sing for joy.

And many nations shall join themselves to the LORD in that day, and shall be my people. And I will dwell in your midst, and you shall know that the LORD of hosts has sent me to you.
readZechariah 2:11

Pray that as people place their faith in Christ, they will have a heart that longs to see all people from all parts of the world worshiping Jesus as He deserves.

For so the Lord has commanded us, saying, “‘I have made you a light for the Gentiles, that you may bring salvation to the ends of the earth.’”
readActs 13:47

Pray that as people come to faith, they will follow the Lord's leading to go to their neighbors and share the treasure they found in Christ.

Aiku Across Countries (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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