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The Yetfa of Indonesia

The Yetfa of Indonesia, numbering approximately 1,400 people, are No Longer Unreached. They are an ethnolinguistic community of Indonesia. They mostly adhere to Protestantism and Yetfa is their primary language.

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

Fast Facts:

Affinity Group: Pacific Islander Peoples
Country: Indonesia
People Cluster: New Guinea
Primary Language(s): Yetfa (yet)
Primary Religion(s): Protestantism
Population: 1,400
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG023107
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Pray for the Yetfa 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

48%
%
Protestantism Adherents

Dig Deeper (Language):

Primary Language: Yetfa
Language Family:

100%
%
Yetfa Speakers

Media Resources in Yetfa:

Films:

No film resources are listed for this language.

Provided by the Jesus Film Project

View all resources

Bible Resources in Yetfa:

No Bible resources are listed for this language.

Provided by Faith Comes by Hearing

Or check out the Yetfa bible at Bible.com

Linked from YouVersion

View all resources

SPI: No longer Unreached

The Yetfa 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 Yetfa:
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 Yetfa of Indonesia

Be still, and know that I am God. I will be exalted among the nations, I will be exalted in the earth!
readPsalm 46:10

Pray that those who do not yet worship Jesus will be still and know that He is God, that He will be exalted among them and in all the earth.

Declare his glory among the nations, his marvelous works among all the peoples!
readPsalm 96:3

Pray for people to hear and believe the good news of Jesus and joyfully share it with their family and friends.

But our citizenship is in heaven, and from it we await a Savior, the Lord Jesus Christ, who will transform our lowly body to be like his glorious body, by the power that enables him even to subject all things to himself.
readPhilippians 3:20-21

Pray that as people place their faith in Christ, they will remember their citizenship is in heaven.

And Jesus answered him, “Blessed are you, Simon Bar-Jonah! For flesh and blood has not revealed this to you, but my Father who is in heaven."
readMatthew 16:17

Pray that God who is in heaven will place believers in the lives of people who need to encounter the gospel and that He will reveal to them the truth of what they hear.

Yetfa Across Countries (ROP3 - 111045) reported in the following countries:

Strategic Progress Index
All

1 people group

PhotoPeople Group IDName ▼CountryPopulationStrategic Progress IndexLanguageReligion
YetfaPG023107YetfaIndonesia1,400No Longer UnreachedYetfaProtestantism

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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