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PEOPLE GROUP PROFILE

The Dia of Papua New Guinea

The Dia of Papua New Guinea, numbering approximately 3,700 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 Dia and their primary religion is Roman Catholicism.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Papua New Guinea
People Cluster: New Guinea
Primary Language(s): Dia (dia)
Primary Religion(s): Roman Catholicism
Population: 3,700
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG009859
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Pray for the Dia 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.

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Dig Deeper (Religion):

Primary Religion: Roman Catholicism
Religious Affiliation: Christianity

67%
%
Roman Catholicism Adherents

Dig Deeper (Language):

Primary Language: Dia
Language Family: Nuclear Torricelli

100%
%
Dia Speakers

Media Resources in Dia:

Films:

No entries found for: Dia(dia). Help build some!

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Bible Resources in Dia:

Provided by Faith Comes by Hearing

Or check out the Dia 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): 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 Dia:
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 Dia 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 Dia:
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 Dia 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 Dia:
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 Dia of Papua New Guinea

Jesus said to her, “I am the resurrection and the life. Whoever believes in me, though he die, yet shall he live.
readJohn 11:25

Pray for the many who have never heard about or understood the importance of what Jesus did for them, asking God to make a way for them to hear that the perfect Son of Man suffered, died, and rose again so that they might be saved.

Behold, I am doing a new thing; now it springs forth, do you not perceive it? I will make a way in the wilderness and rivers in the desert.
readIsaiah 43:19

Pray that the lost will see the new thing God can do in their lives and trust in His plan and purpose for them.

And when they had prayed, the place in which they were gathered together was shaken, and they were all filled with the Holy Spirit and continued to speak the word of God with boldness.
readActs 4:31

Pray that as people place their faith in Christ, they will be filled with the Holy Spirit and speak God's Word with boldness, sharing the love of Jesus with those around them.

Blessed be the God and Father of our Lord Jesus Christ, the Father of mercies and God of all comfort, who comforts us in all our affliction, so that we may be able to comfort those who are in any affliction, with the comfort with which we ourselves are comforted by God.
read2 Corinthians 1:3-4

Pray that as people hear and believe the gospel, they will serve others in Jesus' name, and the lost will have an opportunity to hear and respond to the gospel.

Dia Across Countries (ROP3 - 102592) 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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