Download the People Group List (16 languages .csv)

Amharic - አማርኛ | Arabic - عربي
Bengali - বাংলা | Chinese (Simplified) - 中文（简体）
Chinese (Traditional) - 中文（繁體) | French - Français
German - Deutsch | Gujarati - ગુજરાતી
Hindi - हिन्दी | Indonesian - Bahasa Indonesia
Korean - 한국어 | Nepali - नेपाली
Portugese - Português | Russian - Русский
Spanish - Espanol | Tagalong / Filipino
Be sure to use the data import function in your favorite app for working with data.
If you'd like to help improve these translations, Contact Us.

The Diodio of Papua New Guinea

The Diodio of Papua New Guinea, numbering approximately 4,300 people, are No Longer Unreached. They are an indigenous ethnic group of Papua New Guinea. They mostly adhere to Protestantism and West Goodenough is their primary language.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Papua New Guinea
People Cluster: New Guinea
Primary Language(s): West Goodenough (ddi)
Primary Religion(s): Protestantism
Population: 4,300
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG009863
View on Joshua Project

Print Profile
Submit Updates

Pray for the Diodio 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!
Download Prayer Guide

Dig Deeper (Religion):

Primary Religion: Protestantism
Religious Affiliation: Christianity

45%
%
Protestantism Adherents

Dig Deeper (Language):

Primary Language: West Goodenough
Language Family: Austronesian

100%
%
Goodenough, West Speakers

Media Resources in West Goodenough:

Films:

No film resources are listed for this language.

Provided by the Jesus Film Project

View all resources

Bible Resources in West Goodenough:

No Bible resources are listed for this language.

Provided by Faith Comes by Hearing

Or check out the West Goodenough bible at Bible.com

Linked from YouVersion

View all resources

SPI: No longer Unreached

The Diodio 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 Diodio:
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 Diodio of Papua New Guinea

For who is God, but the LORD? And who is a rock, except our God?
readPsalm 18:31

As people look to their own efforts for hope, pray they will have the opportunity to learn and believe in the Lord, who is the only Rock worthy of their faith.

And this gospel of the kingdom will be proclaimed throughout the whole world as a testimony to all nations, and then the end will come.
readMatthew 24:14

Pray that the gospel of God's kingdom will reach more people and that they will respond in faith, becoming disciples of Jesus Christ.

For you are great and do wondrous things; you alone are God. Teach me your way, O Lord, that I may walk in your truth; unite my heart to fear your name.
readPsalm 86:10-11

Pray that as people place their faith in Christ, they will trust in the Lord with all their heart, knowing that He is the one true God and will teach them His ways.

"Whoever believes in me, as the Scripture has said, ‘Out of his heart will flow rivers of living water."
readJohn 7:38

Ask God to raise up believers and sustain them as they cross cultures to share hope with those who need it. Pray that many might come to know Christ and that streams of living water will flow from their hearts so they will never thirst again.

Diodio Across Countries (ROP3 - 102623) reported in the following countries:

Strategic Progress Index
All

1 people group

PhotoPeople Group IDNameCountryPopulation ▲Strategic Progress IndexLanguageReligion
DiodioPG009863DiodioPapua New Guinea4,300No Longer UnreachedWest GoodenoughProtestantism

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.

Scroll to Top