The Mbya of Argentina

The Mbya of Argentina, numbering approximately 4,700 people, are No Longer Unreached. They are described as a community belonging to the Mbyá Guarani people—an Indigenous group in Brazil They are an Indigenous people, with Gurarani, Mbya as their ethnic/kinship group and are in the Guarani people cluster of the Latin American and Caribbean Peoples. Their primary religion is Ethnoreligion. They primarily speak Guaraní, Mbyá.

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% to 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

How then will they call on him in whom they have not believed? And how are they to believe in him of whom they have never heard? And how are they to hear without someone preaching?
readRomans 10:14

Pray that those who haven't heard will hear the Word of Christ and believe in Him, calling upon the name of the Lord to be saved.

But those that were sown on the good soil are the ones who hear the word and accept it and bear fruit, thirtyfold and sixtyfold and a hundredfold.
readMark 4:20

Pray that those who have never encountered the gospel will have the opportunity to receive it, and that it will fall on good soil and bear much fruit.

Your word is a lamp to my feet and a light to my path.
readPsalm 119:105

Pray that as people place their faith in Christ, they will meditate daily on the Word of God so that, through it, they might have wisdom for the big and small decisions they face every day.

Now when they heard of the resurrection of the dead, some mocked. But others said, “We will hear you again about this.”
readActs 17:32

Ask God to give those He sends to cross cultures wisdom and discernment as they engage in spiritual conversations with those who are curious about the gospel.

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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