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
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PEOPLE GROUP PROFILE

The Mentawai of Indonesia

The Mentawai of Indonesia, numbering approximately 80,000 people, are No Longer Unreached. They are an ethnolinguistic community of Indonesia. They are an Indigenous people, in the Batak-Nias of Sumatra people cluster of the Malay Peoples affinity bloc. Their primary religion is Protestantism. They primarily speak Mentawai.

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

Fast Facts:

Affinity Group: Asian Pacific Rim Peoples
Country: Indonesia
People Cluster: Batak-Nias of Sumatra
Primary Language(s): Mentawai (mwv)
Primary Religion(s): Protestantism
Population: 80,000
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG022518
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Pray for the Mentawai of Indonesia

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Dig Deeper (Religion):

Primary Religion: Protestantism
Religious Affiliation: Christianity

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Dig Deeper (Language):

Primary Language: Mentawai
Language Family: Austronesian

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Media Resources in Mentawai:

Films:

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Bible Resources in Mentawai:

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Provided by Faith Comes by Hearing

Or check out the Mentawai bible resources at Bible.com

Linked from YouVersion

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Next steps for the Mentawai

The Mentawai 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 Mentawai

The Mentawai 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 Mentawai

The Mentawai 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 Mentawai of Indonesia

We were buried therefore with him by baptism into death, in order that, just as Christ was raised from the dead by the glory of the Father, we too might walk in newness of life.
readRomans 6:4

Pray that those who need to surrender their lives to Christ will confess their sins and trust in Him, being united with Him in His death and resurrection, walking in newness of life.

Greet also the church in their house. Greet my beloved Epaenetus, who was the first convert to Christ in Asia."
readRomans 16:5

Pray for houses to be meeting places for Christians and that God will advance the gospel and grow His Church through natural familial and community relationships.

"And when did we see you a stranger and welcome you, or naked and clothe you"...And the King will answer them, "Truly, I say to you, as you did it to one of the least of these my brothers, you did it to me."
readMatthew 25:38-40

Pray that as people place their faith in Christ and serve others in faithfulness to Him, they will know that by serving others, they are serving Jesus, who is present with them.

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.

Mentawaian (ROP3 - 106551) 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.

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