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PEOPLE GROUP PROFILE

The Iresim of Indonesia

The Iresim of Indonesia, numbering approximately 90 people, are No Longer Unreached. They are described as an ethnolinguistic community of Indonesia They are an Indigenous people, with Iresim as their ethnic/kinship group and are in the Malay people cluster of the Malay Peoples. Their primary religion is Animism. They primarily speak Yeresiam.

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

Fast Facts*:

Affinity Group: Malay Peoples
Country: Indonesia
People Cluster: Malay
Primary Language(s): Yeresiam (ire)
Primary Religion(s): Animism
Population: 90
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG022925
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Pray for the Iresim 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: Animism
Religious Affiliation: Ethnoreligion

75%
%
Animism Adherents

Dig Deeper (Language):

Primary Language: Yeresiam
Language Family: Austronesian

75%
%
Yeresiam Speakers

Media Resources in Yeresiam:

Films:

No film resources are listed for this language.

Provided by the Jesus Film Project

View all resources

Bible Resources in Yeresiam:

No Bible resources are listed for this language.

Provided by Faith Comes by Hearing

Or check out the Yeresiam bible at Bible.com

Linked from YouVersion

View all resources

SPI: No longer Unreached

The Iresim 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 Iresim:
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 Iresim of Indonesia

As it is written: “None is righteous, no, not one; no one understands; no one seeks for God".
readRomans 3:10-11

Pray that God will have mercy on those living in broken relationship with Him, and that He will bring many to surrender and repentance at the throne of grace.

Simon Peter replied, “You are the Christ, the Son of the living God.”
readMatthew 16:16

Pray that many will see clearly that Jesus is the Christ, the Son of the living God, and put their trust in Him.

I appeal to you therefore, brothers, by the mercies of God, to present your bodies as a living sacrifice, holy and acceptable to God, which is your spiritual worship.
readRomans 12:1

Pray that as people place their faith in Christ, they will offer their bodies as living sacrifices, holy and acceptable to God, knowing that this is their spiritual worship.

"For as I passed along and observed the objects of your worship, I found also an altar with this inscription: ‘To the unknown god.’ What therefore you worship as unknown, this I proclaim to you."
readActs 17:23

Pray that believers God sends to cross cultures will be sensitive to the spiritual needs of the people they serve, and will proclaim the truth of Christ to them in creative ways that they will understand.

Iresim Across Countries (ROP3 - 104060) reported in the following countries:

Strategic Progress Index
All

1 people group

PhotoPeople Group ID ▲NameCountryPopulationStrategic Progress IndexLanguageReligion
IresimPG022925IresimIndonesia90No Longer UnreachedYeresiamAnimism

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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