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The Dia of Papua New Guinea

The Dia of Papua New Guinea, numbering approximately 3,800 people, are No Longer Unreached. They are an indigenous ethnic group of Papua New Guinea. They mostly adhere to Roman Catholicism and Dia is their primary language.

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: 3,800
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.

Pray Now!
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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 film resources are listed for this language.

Provided by the Jesus Film Project

View all resources

Bible Resources in Dia:

No Bible resources are listed for this language.

Provided by Faith Comes by Hearing

Or check out the Dia bible at Bible.com

Linked from YouVersion

View all resources

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

For my own sake, for my own sake, I do it, for how should my name be profaned? My glory I will not give to another.
readIsaiah 48:11

Pray that those who have been living for their own glory will turn to the One who is worthy of all praise and find their true identity in Him.

And when they saw it, they made known the saying that had been told them concerning this child.
readLuke 2:17

Pray that the lost will receive the good news of salvation in God's Son, have hearts eager to share it with others, and that all who hear will respond with wonder and faith!

"...I will build my church, and the gates of hell shall not prevail against it."
readMatthew 16:18b

Pray that God will build and grow His Church among this people.

The Lord is not slow to fulfill his promise as some count slowness, but is patient toward you, not wishing that any should perish, but that all should reach repentance.
read2 Peter 3:9

Pray that those God sends to cross cultures will patiently endure hardships as they share the gospel, knowing that the Lord is not slow to fulfill His promise.

Dia Across Countries (ROP3 - 102592) reported in the following countries:

Strategic Progress Index
All

1 people group

PhotoPeople Group IDNameCountryPopulationStrategic Progress IndexLanguage ▲Religion
DiaPG009859DiaPapua New Guinea3,800No Longer UnreachedDiaRoman Catholicism

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 Data Standards section.

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