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PEOPLE GROUP PROFILE

The Batak Simalungun of Indonesia

The Batak Simalungun of Indonesia, numbering approximately 1,625,000 people, are No Longer Unreached. They are a Batak people of North Sumatra centered in the Simalungun area, whose social identity is organized through a hierarchical system of clans and sub-clans. They mostly adhere to Protestantism and Batak Simalungun is their primary language.

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

Fast Facts:

Affinity Group: Malay Peoples
Country: Indonesia
People Cluster: Batak-Nias of Sumatra
Primary Language(s): Batak Simalungun (bts)
Primary Religion(s): Protestantism
Population: 1,625,000
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical
People Group ID: PG022485
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Pray for the Batak Simalungun 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: Protestantism
Religious Affiliation: Christianity

—
%
Protestantism Adherents

Dig Deeper (Language):

Primary Language: Batak Simalungun
Language Family: Austronesian

100%
%
Batak Simalungun Speakers

Media Resources in Batak Simalungun:

Films:
TitleLink
JESUSView Film

1 film

Provided by the Jesus Film Project

View all resources

Bible Resources in Batak Simalungun:

Bible Name (Translation)VideoAudioText
Formal Batak Simalungun Version, 2007✓✓✓

1 entry

Provided by Faith Comes by Hearing

Or check out the Batak Simalungun bible at Bible.com

Linked from YouVersion

View all resources

SPI: No longer Unreached

The Batak Simalungun 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 Batak Simalungun:
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 Batak Simalungun of Indonesia

While he was coming, the demon threw him to the ground and convulsed him. But Jesus rebuked the unclean spirit and healed the boy, and gave him back to his father.
readLuke 9:42

Pray that those who are living outside of the hope of the gospel will know and trust that Jesus offers freedom from the oppression of sin and hope in eternal life.

And the Scripture, foreseeing that God would justify the Gentiles by faith, preached the gospel beforehand to Abraham, saying, "In you shall all the nations be blessed"
readGalatians 3:8

Ask the Lord to fulfill His promise to Abraham that all nations would be blessed by advancing the gospel to every people group who has yet to receive it.

For the sake of Christ, then, I am content with weaknesses, insults, hardships, persecutions, and calamities. For when I am weak, then I am strong.
read2 Corinthians 12:10

Pray that as people place their faith in Christ, they will embrace their weaknesses, hardships, and difficulties, having hope because Christ's power is made perfect in their weakness.

To the weak I became weak, that I might win the weak. I have become all things to all people, that by all means I might save some.
read1 Corinthians 9:22

Ask God to raise up believers from around the world to go and share the hope of Jesus with the lost so that they might trust in Him and have the hope of eternal life.

Batak Simalungun Across Countries (ROP3 - 101127) reported in the following countries:

Strategic Progress Index
All

1 people group

PhotoPeople Group IDNameCountryPopulation ▼Strategic Progress IndexLanguageReligion
Batak SimalungunPG022485Batak SimalungunIndonesia1,625,000No Longer UnreachedBatak SimalungunProtestantism

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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