Download the People Group List (16 languages .csv)

Amharic - አማርኛ | Arabic - عربي
Bengali - বাংলা | Chinese (Simplified) - 中文（简体）
Chinese (Traditional) - 中文（繁體) | French - Français
German - Deutsch | Gujarati - ગુજરાતી
Hindi - हिन्दी | Indonesian - Bahasa Indonesia
Korean - 한국어 | Nepali - नेपाली
Portugese - Português | Russian - Русский
Spanish - Espanol | Tagalong / Filipino
Be sure to use the data import function in your favorite app for working with data.
If you'd like to help improve these translations, Contact Us.

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
View on Joshua Project

Print Profile
Submit Updates

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!
Download Prayer Guide

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

For God is the King of all the earth; sing praises with a psalm!
readPsalm 47:7

Pray for those who live for idols that will never satisfy their hearts, asking that someone will tell them that God is the King of all the earth so that they will turn to Him in repentance and praise.

The mountains rose, the valleys sank down to the place that you appointed for them.
readPsalm 104:8

Pray that they will see the hand of God in the beauty and order of the natural world, and that they will worship Him as the Creator and Sustainer of all things.

No unbelief made him waver concerning the promise of God, but he grew strong in his faith as he gave glory to God.
readRomans 4:20

Pray that as people place their faith in Christ, they will not waver but will grow strong in their belief, knowing that the Lord rewards those who seek Him.

The times of ignorance God overlooked, but now he commands all people everywhere to repent.
readActs 17:30

Pray that those God sends to cross cultures will boldly and lovingly declare that God commands all people everywhere to repent.

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.

Scroll to Top