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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
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PEOPLE GROUP PROFILE

The Riantana of Indonesia

The Riantana of Indonesia, numbering approximately 2,200 people, are No Longer Unreached. They are an indigenous Papuan ethnolinguistic community of Yos Sudarso (Kimaam) Island in South Papua, Indonesia, speaking the Riantana language, a member of the Kolopom language family. They mostly adhere to Protestantism and Riantana is their primary language.

Photo by Google. (2026). Image generated by Gemini 3.1 Flash Lite: Riantana

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Indonesia
People Cluster: New Guinea
Primary Language(s): Riantana (ran)
Primary Religion(s): Protestantism
Population: 2,200
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG023028
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Pray for the Riantana of Indonesia

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: Protestantism
Religious Affiliation: Christianity

53%
%
Protestantism Adherents

Dig Deeper (Language):

Primary Language: Riantana
Language Family: Kolopom

76%
%
Riantana Speakers

Media Resources in Riantana:

Films:

No film resources are listed for this language.

Provided by the Jesus Film Project

View all resources

Bible Resources in Riantana:

No Bible resources are listed for this language.

Provided by Faith Comes by Hearing

Or check out the Riantana bible at Bible.com

Linked from YouVersion

View all resources

SPI: No longer Unreached

The Riantana 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 Riantana:
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 Riantana of Indonesia

For all have sinned and fall short of the glory of God.
readRomans 3:23

Pray that those who live in fear, guilt and discontentment because of sin will see their need for change, hear, and receive the good news of freedom from sin through Christ.

And your ears shall hear a word behind you, saying, ‘This is the way, walk in it,’ when you turn to the right or when you turn to the left.
readIsaiah 30:21

As the lost in this people group seek to know the truth of who God is, pray that the Spirit of God will draw them to Himself and guide them in the way they should go.

Fear not, for I am with you; be not dismayed, for I am your God; I will strengthen you, I will help you, I will uphold you with my righteous right hand.
readIsaiah 41:10

Pray that as people place their faith in Christ, they will not fear, for the Lord is with them, and He will strengthen, help, and uphold them with His righteous right hand.

Surely goodness and mercy shall follow me all the days of my life, and I shall dwell in the house of the LORD forever.
readPsalm 23:6

Ask God to raise up believers who will share the hope that, for those who trust in Christ, goodness and love will follow them all the days of their lives, and they will dwell in the house of the Lord forever.

Riantana Across Countries (ROP3 - 108372) reported in the following countries:

Strategic Progress Index
All

1 people group

PhotoPeople Group IDNameCountryPopulationStrategic Progress IndexLanguage ▲Religion
RiantanaPG023028RiantanaIndonesia2,200No Longer UnreachedRiantanaProtestantism

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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