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PEOPLE GROUP PROFILE

The Banyumasan of Indonesia

The Banyumasan of Indonesia, numbering approximately 9,195,000 people, are Engaged yet Unreached. They are an indigenous community of Indonesia; a dialect subgroup of Javanese (jav). Java Mendhoan, Java Banyumasan, Java Serayu 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.

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

Fast Facts:

Affinity Group: Asian Pacific Rim Peoples
Country: Indonesia
People Cluster: Jawa
Primary Language(s): Javanese (jav)
Primary Religion(s): Islam - Sunni
Population: 9,195,000
Strategic Progress Index (SPI): Engaged yet Unreached
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, Dispersed CP Activity
People Group ID: PG022426
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Pray for the Banyumasan of Indonesia

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Dig Deeper (Religion):

Primary Religion: Islam - Sunni
Religious Affiliation: Islam

%

Dig Deeper (Language):

Primary Language: Javanese
Language Family: Austronesian

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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 resources at Bible.com

Linked from YouVersion

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Next steps for the Banyumasan

The Banyumasan 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 Banyumasan

The Banyumasan 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 Banyumasan

The Banyumasan 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 Banyumasan of Indonesia

These have indeed an appearance of wisdom in promoting self- made religion and asceticism and severity to the body, but they are of no value in stopping the indulgence of the flesh.
readColossians 2:23

Pray for those without Christ, that they will see the emptiness of human traditions and turn to the truth and grace found in Jesus.

More than that, we also rejoice in God through our Lord Jesus Christ, through whom we have now received reconciliation.
readRomans 5:11

Pray for the gospel to advance and for more people to be brought into God's family through the reconciliation Jesus offers them.

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.

And the King will answer them, "Truly, I say to you, as you did it to one of the least of these my brothers, you did it to me."
readMatthew 25:40

Ask God to raise up and send believers who will serve "the least of these" with compassion and energy because they know that in serving those in need, they are serving Christ.

Java Banyumasan (ROP3 - 104218) 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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