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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.

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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

Every word of God proves true; he is a shield to those who take refuge in him.
readProverbs 30:5

Pray that those who don't yet know God will trust the flawless Word of God and seek refuge in Him, finding hope and salvation instead of remaining in spiritual darkness.

And this commandment we have from him: whoever loves God must also love his brother.
read1 John 4:21

Pray that the good news of God's love will reach everyone in this people group, and that His love will compel them to love others as Christ has loved us.

For if we go on sinning deliberately after receiving the knowledge of the truth, there no longer remains a sacrifice for sins.
readHebrews 10:26

Pray that as people place their faith in Christ, they will live with reverence for God and not deliberately keep sinning after they receive the knowledge of the truth.

Go therefore and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit, teaching them to observe all that I have commanded you. And behold, I am with you always, to the end of the age.”
readMatthew 28:19-20

Ask God to bring people among this group to faith in Jesus who will be obedient to make disciples of all nations, baptizing them and teaching them to obey all that Christ has commanded.

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

Strategic Progress Index
All

1 people group

PhotoPeople Group IDNameCountryPopulation ▼Strategic Progress IndexLanguageReligion
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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