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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
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The Mandailing of Indonesia

The Mandailing of Indonesia, numbering approximately 1,300,000 people, are Engaged yet Unreached. They are a Batak people of southern North Sumatra whose identity developed through close ties with the Mandailing homeland and enduring cultural influences from both Batak and Minangkabau traditions. They mostly adhere to Sunni Islam and Batak Mandailing is their primary language.

Photo by Google. (2026). Image generated by Gemini 3.1 Flash-Lite: Mandailing

Fast Facts:

Affinity Group: Malay Peoples
Country: Indonesia
People Cluster: Batak-Nias of Sumatra
Primary Language(s): Batak Mandailing (btm)
Primary Religion(s): Sunni Islam
Population: 1,300,000
Strategic Progress Index (SPI): Engaged yet Unreached
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Recent CP Activity
People Group ID: PG022515
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Pray for the Mandailing 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.

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Dig Deeper (Religion):

Primary Religion: Sunni Islam
Religious Affiliation: Islam

95%
%
Sunni Islam Adherents

Dig Deeper (Language):

Primary Language: Batak Mandailing
Language Family: Austronesian

76%
%
Batak Mandailing Speakers

Media Resources in Batak Mandailing:

Films:
TitleLink
JESUSView Film

1 film

Provided by the Jesus Film Project

View all resources

Bible Resources in Batak Mandailing:

No Bible resources are listed for this language.

Provided by Faith Comes by Hearing

Or check out the Batak Mandailing bible at Bible.com

Linked from YouVersion

View all resources

SPI: Unreached yet Engaged

The Mandailing 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 Mandailing:
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

Pray specifically for the Mandailing 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.

Whenever you enter a town and they receive you, eat what is set before you. Heal the sick in it and say to them, "the kingdom of God has come near to you."
readLuke 10:8-9

Pray that the lost will receive messengers of the gospel with joy, turn from their sins, and be healed.

Therefore, since we are surrounded by so great a cloud of witnesses, let us also lay aside every weight, and sin which clings so closely, and let us run with endurance the race that is set before us, looking to Jesus, the founder and perfecter of our faith, who for the joy that was set before him endured the cross, despising the shame, and is seated at the right hand of the throne of God.
readHebrews 12:1-2

Pray that as people place their faith in Christ, they will remember the testimony of those who went before them, resist sin, and run with perseverance the race set before them, fixing their eyes on Jesus.

May God be gracious to us and bless us and make his face to shine upon us, that your way may be known on earth, your saving power among all nations.
readPsalm 67:1-2

Pray that as God blesses believers from among this people group or from nearby cultures, He will raise them up to share His saving power among the nations.

Batak Mandailing Across Countries (ROP3 - 101126) reported in the following countries:

Strategic Progress Index
All

1 people group

PhotoPeople Group IDNameCountryPopulation ▼Strategic Progress IndexLanguageReligion
MandailingPG022515MandailingIndonesia1,300,000Engaged yet UnreachedBatak MandailingSunni Islam

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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