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Amharic - አማርኛ | Arabic - عربي
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Chinese (Traditional) - 中文（繁體) | French - Français
German - Deutsch | Gujarati - ગુજરાતી
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Spanish - Espanol | Tagalong / Filipino
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PEOPLE GROUP PROFILE

The Osing of Indonesia

The Osing of Indonesia, numbering approximately 433,000 people, are Engaged yet Unreached. They are described as an ethnolinguistic community of Indonesia They are an Indigenous people, with Java / Jawa as their ethnic/kinship group and are in the Jawa people cluster of the Malay Peoples. Their primary religion is Sunni Islam. They primarily speak Javanese.

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

Fast Facts:

Affinity Group: Malay Peoples
Country: Indonesia
People Cluster: Jawa
Primary Language(s): Javanese (jav)
Primary Religion(s): Sunni Islam
Population: 433,000
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
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Pray for the Osing of Indonesia

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Dig Deeper (Religion):

Primary Religion: Sunni Islam
Religious Affiliation: Islam

95%
%

Dig Deeper (Language):

Primary Language: Javanese
Language Family: Austronesian

100%
%

Media Resources in Javanese:

Films:

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Provided by the Jesus Film Project

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Bible Resources in Javanese:

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Provided by Faith Comes by Hearing

Or check out the Javanese bible at Bible.com

Linked from YouVersion

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Explore Lostness and Next Steps

Unengaged and Unreached

Strategic Priority Index (SPI): Unengaged and Unreached (SPI: 1), 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.
Lostness Priority Index (LPI): Expanding Unreached People Group, (LPI: 2), 0.5% to 2% Evangelical.
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Active CP Activity (GSEC: 1), this people group is less than 2% evangelical, some evangelical resources are available, but there has been no active church planting among them within the past two years

Next steps for the Osing:
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

SPI: Unreached yet Engaged

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.

Next steps for the Osing:
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

SPI: No longer Unreached

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.

Next steps for the Osing:
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 Osing of Indonesia

During those many days the king of Egypt died, and the people of Israel groaned because of their slavery and cried out for help. Their cry for rescue from slavery came up to God. And God heard their groaning, and God remembered his covenant with Abraham, with Isaac, and with Jacob.
readExodus 2:23-24

As the lost among them labor, groan, and cry out under false religions and sin, pray God will have mercy on them and hear their cries, that He will be their Rescuer from the kingdom of darkness and bring them into the kingdom of light.

Behold, children are a heritage from the LORD, the fruit of the womb a reward.
readPsalm 127:3

Pray that God will bless this generation of children, that they will come to know Jesus early in life and follow Him always.

Have this mind among yourselves, which is yours in Christ Jesus, who, though he was in the form of God, did not count equality with God a thing to be grasped, but emptied himself, by taking the form of a servant, being born in the likeness of men.
readPhilippians 2:5-7

Pray that as people place their faith in Christ, they will imitate His humility in all they do.

Wash me thoroughly from my iniquity, and cleanse me from my sin!
readPsalm 51:2

Pray that God will raise up believers to go and share the gospel with those in this people group who need to be washed of their iniquity and cleansed from their sins.

Java Osing Across Countries (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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