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
View on Joshua Project

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.

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.

Bible Resources in Yeresiam:

No Bible resources are listed for this language.

Or check out the Yeresiam bible at Bible.com

Linked from YouVersion

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

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.

So then it depends not on human will or exertion, but on God, who has mercy.
readRomans 9:16

Pray that the merciful God who is at work in people's hearts will advance His gospel among them.

Walk in wisdom toward outsiders, making the best use of the time.
readColossians 4:5

Pray that as people place their faith in Christ, they will be wise in the way they walk with the lost and manage their time and other resources in a way that honors God.

Finally, brothers, pray for us, that the word of the Lord may speed ahead and be honored, as happened among you, and that we may be delivered from wicked and evil men. For not all have faith. But the Lord is faithful. He will establish you and guard you against the evil one.
read2 Thessalonians 3:1-3

Pray that the Word of God will spread throughout this people group and be honored. Ask God to establish His people and guard them from the evil one, testifying to this whole people group of His great faithfulness.

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

Strategic Progress Index
All

1 people group

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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