The Mamasa of Indonesia

The Mamasa of Indonesia, numbering approximately 151,000 people, are No Longer Unreached. They are an ethnolinguistic community of Indonesia. They are an Indigenous people in the Toraja of Sulawesi people cluster of the Malay Peoples affinity bloc. Their primary language is Mamasa and their primary religion is Protestantism.

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

Fast Facts:

Affinity Group: Malay Peoples
Country: Indonesia
People Cluster: Toraja of Sulawesi
Primary Language(s): Mamasa (mqj)
Primary Religion(s): Protestantism
Population: 151,000
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical
People Group ID: PG022838
View on Joshua Project

Pray for the Mamasa 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

69%
%
Protestantism Adherents

Dig Deeper (Language):

Primary Language: Mamasa
Language Family: Austronesian

100%
%
Mamasa Speakers

Bible Resources in Mamasa:

Or check out the Mamasa 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): Significantly Reached People Group, (LPI: 6), > 20% Evangelical.
Global Status of Evangelical Christianity (GSEC): 10% or Greater Evangelical (GSEC: 6), this people group is greater than or equal to 10% evangelical

Next steps for the Mamasa:
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 Mamasa 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 Mamasa:
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 Mamasa 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 Mamasa:
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 Mamasa of Indonesia

Why, even the hairs of your head are all numbered. Fear not; you are of more value than many sparrows.
readLuke 12:7

Pray that those who don't yet know how to trust in Jesus will not be consumed by worry and anxiety, but will trust in the Father's care and provision for their daily needs and for their eternal salvation

Oh how I love your law! It is my meditation all the day.
readPsalm 119:97

Pray that the lost will have access to God's Word in their language and treasure it deeply, meditating on God's promises and precepts.

For this reason, when I could bear it no longer, I sent to learn about your faith, for fear that somehow the tempter had tempted you and our labor would be in vain.
read2 Thessalonians 3:5

Pray that as people place their faith in Christ, they will persevere according to God's command, walk in faith, and be strong so that they can resist the evil one’s deception.

There is nothing outside a person that by going into him can defile him, but the things that come out of a person are what defile him.
readMark 7:15

Pray for Christians to take any opportunity to share the hope of Jesus with lost people here, praying they will be wise like Jesus as they share the truth about what can defile people and what can make them clean.

Mamasa Across Countries (ROP3 - 106194) 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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