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Amharic - አማርኛ | Arabic - عربي
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PEOPLE GROUP PROFILE

The Osing of Indonesia

The Osing of Indonesia, numbering approximately 431,000 people, are Engaged yet Unreached. They are an ethnolinguistic community of Indonesia and can also be known as Javanese. They are an Indigenous people, in the Jawa people cluster of the Malay Peoples affinity bloc. Their primary religion is Islam - Sunni. They primarily speak Javanese.

Osing in Indonesia photo
Photo courtesy of Joshua Project. Photo Source: Copyrighted ©️ 2025 Anonymous Used with permission

Fast Facts:

Affinity Group: Asian Pacific Peoples
Country: Indonesia
People Cluster: Jawa
Primary Language(s): Javanese (jav)
Primary Religion(s): Islam - Sunni
Population: 431,000
Strategic Progress Index (SPI): Engaged yet Unreached
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Active CP Activity
People Group ID: PG022430
View on Joshua Project

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Pray for the Osing of Indonesia

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Dig Deeper (Religion):

Primary Religion: Islam - Sunni
Religious Affiliation: Islam

%
Islam - Sunni Adherents

Dig Deeper (Language):

Primary Language: Javanese
Language Family: Austronesian

%
Javanese Speakers

Media Resources in Javanese:

Films:

Provided by the Jesus Film Project

View all resources

Bible Resources in Javanese:

Provided by Faith Comes by Hearing

Or check out the Javanese bible resources at Bible.com

Linked from YouVersion

View all resources

Next steps for the Osing

The Osing are Unengaged and Unreached, which means there are less than 2% evangelical Christian populations among which there are no known efforts focused on establishing self-sustaining churches consistent with evangelical faith and practice.

Begin signifcant prayer and fasting for this group
Send cross-cultural teams to discover and research this people group
Begin gospel seed sowing and church planting among this group

Next steps for the Osing

The Osing are Engaged yet Unreached, which means there are less than 2% evangelical Christian populations but there are sustained efforts at establishing self-sustaining churches consistent with evangelical faith and practice.

Continue prayer and fasting for this group
Continue gospel seed sowing and church planting among this group
Begin training up local leaders to lead and develop strategies to reach their own people

Next steps for the Osing

The Osing 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.

Empower local believers to begin praying for their own people
Continue gospel seed sowing and church planting among this group
Encourage local leaders to being leading church planting strategy and looking for Unreached and Unengaged groups nearby

Pray specifically for the Osing of Indonesia

If we say we have no sin, we deceive ourselves, and the truth is not in us. If we confess our sins, he is faithful and just to forgive us our sins and to cleanse us from all unrighteousness.
read1 John 1:9

Pray that God, who is faithful and just, will open the eyes of those who are lost and draw them to confess their sins and trust in Him to grant forgiveness.

For all have sinned and fall short of the glory of God, and are justified by his grace as a gift, through the redemption that is in Christ Jesus.
readRomans 3:23

Pray that the gospel will advance and many will acknowledge that all have sinned, fall short of God's glory, and need a Savior to reconcile them to God.

And they devoted themselves to the apostles' teaching and the fellowship, to the breaking of bread and the prayers.
readActs 2:42

Pray that as people place their faith in Christ, they will devote themselves to God's Word, to fellowship with each other, and to prayer.

Come, bless the LORD, all you servants of the LORD, who stand by night in the house of the LORD!
readPsalm 134:1

Pray that God will raise up believers among them who are in awe of Him and that, in service to Him, they will share the gospel with others so that they too may bless the Lord!

Java Osing (ROP3 - 101020) reported in the following countries:

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 Definitions page.

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