The Batak Karo of Indonesia

The Batak Karo of Indonesia, numbering approximately 916,000 people, are No Longer Unreached. They are an ethnolinguistic community of Indonesia (Sumatra), central and north, west and northwest of Lake Toba. They are an Indigenous people, in the Batak-Nias of Sumatra people cluster of the Malay Peoples affinity bloc. Their primary religion is Christianity - Protestantism. They primarily speak Batak Karo.

Batak Karo in Indonesia photo
Photo courtesy of Joshua Project. Photo Source: Copyrighted ©️ 2025 Kerry Olson Used with permission

Fast Facts:

Affinity Group: Asian Pacific Peoples
Country: Indonesia
People Cluster: Batak-Nias of Sumatra
Primary Language(s): Batak Karo (btx)
Primary Religion(s): Christianity - Protestantism
Population: 916,000
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: Christianity - Protestantism
Religious Affiliation: Christianity

%
Christianity - Protestant… Adherents

Dig Deeper (Language):

Primary Language: Batak Karo
Language Family: Austronesian

%
Batak Karo Speakers

Media Resources in Batak Karo:

Films:

Bible Resources in Batak Karo:

Or check out the Batak Karo bible resources at Bible.com

Linked from YouVersion

Next steps for the Batak Karo

The Batak Karo 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 Batak Karo

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.

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 Batak Karo

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.

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 Batak Karo of Indonesia

Only in the LORD, it shall be said of me, are righteousness and strength; to him shall come and be ashamed all who were incensed against him.
readIsaiah 45:24

Pray that those who are weary and burdened by their own righteousness will find rest in the righteousness that comes through faith in Christ alone.

"You are the salt of the earth, but if the salt has lost its taste, how shall its saltiness be restored? It is no longer good for anything except to be thrown out and trampled under people's feet."
readMatthew 5:13

Pray that the lost will have the opportunity to hear a Christian witness of how the gospel can bring hope and that they will put their faith in Christ.

Count it all joy, my brothers, when you meet trials of various kinds, for you know that the testing of your faith produces steadfastness.
readJames 1:2-3

Pray that as people place their faith in Christ, they will consider it pure joy when they face trials of many kinds, trusting in God's promise that the testing of their faith produces perseverance.

Oh, magnify the LORD with me, and let us exalt his name together!
readPsalm 34:3

Pray that God will raise up believers who will go to those in this people group who do not yet follow Jesus, and that they will invite many to magnify the Lord with them so that His fame will spread to the ends of the earth.

Batak Karo (ROP3 - 114801) reported in the following countries:

To download a comprehensive people group list in spreadsheet form, visit our Research Data page.

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