The Batak Karo of Indonesia

The Batak Karo of Indonesia, numbering approximately 920,000 people, are No Longer Unreached. They are described as an ethnolinguistic community of Indonesia (Sumatra), central and north, west and northwest of Lake Toba They are an Indigenous people, with Batak as their ethnic/kinship group and are in the Batak-Nias of Sumatra people cluster of the Malay Peoples. Their primary religion is Protestantism. They primarily speak Batak Karo.

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

Fast Facts:

Affinity Group: Malay Peoples
Country: Indonesia
People Cluster: Batak-Nias of Sumatra
Primary Language(s): Batak Karo (btx)
Primary Religion(s): Protestantism
Population: 920,000
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical
People Group ID: PG022484
View on Joshua Project

Pray for the Batak Karo 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: Protestantism
Religious Affiliation: Christianity

%

Dig Deeper (Language):

Primary Language: Batak Karo
Language Family: Austronesian

76%
%

Media Resources in Batak Karo:

Films:

No language code (ROL) found for this post.

Bible Resources in Batak Karo:

The filter value is not set for this post.

Or check out the Batak Karo bible at Bible.com

Linked from YouVersion

Explore Lostness and Next Steps

Unengaged and Unreached

Strategic Priority Index (SPI): Unengaged and Unreached (SPI: 2), 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): Marginally Reached People Group, (LPI: 4), 3% to 6% Evangelical.
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical (GSEC: 4), this people group is greater than or equal to 2% evangelical

Next steps for the Batak Karo:
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 Batak Karo 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 Batak Karo:
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 Batak Karo 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 Karo:
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 Karo of Indonesia

You visit the earth and water it; you greatly enrich it; the river of God is full of water; you provide their grain, for so you have prepared it.
readPsalm 65:9

Give thanks for God's provision in nature, and pray that those who don't know Him will recognize His hand, desire to know their Creator, and hear the truth that Jesus is the solution to the world's greatest need.

Behold, you shall call a nation that you do not know, and a nation that did not know you shall run to you, because of the LORD your God, and of the Holy One of Israel, for he has glorified you.
readIsaiah 55:5

Pray that those who do not know God will access the gospel, run to Him, and discover that He is the one their souls have been longing for.

Sanctify them in the truth, your word is truth.
readJohn 17:17

Pray that as people place their faith in Christ, they will experience freedom from sin as God sanctifies them in the truth of His Word.

O LORD, our Lord, how majestic is your name in all the earth! You have set your glory above the heavens.
readPsalm 8:1

Pray that God will raise up people who love Him and are able and willing to go to and share the hope of the gospel with those who don't know it. Pray that everyone will see His name as majestic in all the earth!

Batak Karo Across Countries (ROP3 - 114801) 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.

Scroll to Top