The Arinua of Papua New Guinea

The Arinua of Papua New Guinea, numbering approximately 5,900 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 Heiyoho and their primary religion is Protestantism.

Photo by Google. (2026). Image generated by Gemini 2.5 Flash: Arinua

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Papua New Guinea
People Cluster: New Guinea
Primary Language(s): Heiyoho (auk)
Primary Religion(s): Protestantism
Population: 5,900
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG019296
View on Joshua Project

Pray for the Arinua 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: Protestantism
Religious Affiliation: Christianity

50%
%
Protestantism Adherents

Dig Deeper (Language):

Primary Language: Heiyoho
Language Family: Nuclear Torricelli

65%
%
Heiyoho Speakers

Media Resources in Heiyoho:

Films:

No entries found for: Heiyoho(auk). Help build some!

Bible Resources in Heiyoho:

Or check out the Heiyoho bible at Bible.com

Linked from YouVersion

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): Significantly Reached People Group, (LPI: 6), > 20% Evangelical.
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical (GSEC: 6), this people group is greater than or equal to 10% evangelical

Next steps for the Arinua:
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 Arinua 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 Arinua:
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 Arinua 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 Arinua:
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 Arinua of Papua New Guinea

For all the gods of the peoples are worthless idols, but the LORD made the heavens.
readPsalm 96:5

Pray that those who are seeking after worthless idols will not be satisfied until they seek the truth and find it in Christ.

Then Job arose and tore his robe and shaved his head and fell on the ground and worshiped. And he said, ‘Naked I came from my mother’s womb, and naked shall I return. The LORD gave, and the LORD has taken away; blessed be the name of the LORD.’ In all this Job did not sin or charge God with wrong.
readJob 1:20-22

Pray that those who mourn will worship God in the midst of their suffering and loss, recognizing He is the source of all good things and that He is worthy of their praise and trust.

And they all ate and were satisfied. And what was left over was picked up, twelve baskets of broken pieces.
readLuke 9:17

Pray that as people place their faith in Christ, they will meditate on the stories of Jesus' miracles, be in awe of Him, and trust Him for everything they need.

This is the message we have heard from him and proclaim to you, that God is light, and in him is no darkness at all.
read1 John 1:5

Pray that God will raise up believers who can share the gospel with people who don't know the good news of Jesus, that God is light and in him, there is no darkness at all.

Arinua Across Countries (ROP3 - 100507) 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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