The Mbya of Argentina

The Mbya of Argentina, numbering approximately 4,700 people, are No Longer Unreached. They are a community belonging to the Mbyá Guarani people—an Indigenous group in Brazil. They are an Indigenous people in the Guarani people cluster of the Latin American and Caribbean Peoples affinity bloc. Their primary language is Guaraní, Mbyá and their primary religion is Ethnoreligion.

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

Fast Facts:

Affinity Group: Latin American and Caribbean Peoples
Country: Argentina
People Cluster: Guarani
Primary Language(s): Guaraní, Mbyá (gun)
Primary Religion(s): Ethnoreligion
Population: 4,700
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical
People Group ID: PG017328
View on Joshua Project

Pray for the Mbya of Argentina

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: Ethnoreligion
Religious Affiliation: Ethnoreligion

%
Ethnoreligion Adherents

Dig Deeper (Language):

Primary Language: Guaraní, Mbyá
Language Family: Tupian

100%
%
Guaraní, Mbyá Speakers

Media Resources in Guaraní, Mbyá:

Films:

Bible Resources in Guaraní, Mbyá:

Or check out the Guaraní, Mbyá 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): Minimally Reached People Group, (LPI: 3), 2% or Greater but Less than 3% Evangelical.
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical (GSEC: 4), this people group is greater than or equal to 2% evangelical

Next steps for the Mbya:
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 Mbya 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 Mbya:
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 Mbya 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 Mbya:
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 Mbya of Argentina

That they should seek God, and perhaps feel their way toward him and find him. Yet he is actually not far from each one of us.
readActs 17:27

Pray that those who don't yet know Christ will search diligently for God and find Him, though He is not far from each one of us.

For all have sinned and fall short of the glory of God, and are justified by his grace as a gift, through the redemption that is in Christ Jesus.
readRomans 3:23

Pray that the gospel will advance and many will acknowledge that all have sinned, fall short of God's glory, and need a Savior to reconcile them to God.

The LORD is good to those who wait for him, to the soul who seeks him.
readLamentations 3:25

Pray that as people place their faith in Christ, they will trust in the goodness of the Lord as they wait on Him to answer their cries for help.

But to all who did receive him, who believed in his name, he gave the right to become children of God.
readJohn 1:12

Pray that believers will have the opportunity to clearly share the good news with the lost here, so that all people can be invited to trust in Jesus and become children of God.

Brazilian Guarani Across Countries (ROP3 - 101658) 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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