The Wichi Guisnay of Argentina

The Wichi Guisnay of Argentina, numbering approximately 19,500 people, are Engaged yet Unreached. They are described as a subgroup of the Wichí, an indigenous ethnic group originating in Argentina They are an Indigenous people, with Wichi as their ethnic/kinship group and are in the South American Indigenous people cluster of the Latin American and Caribbean Peoples. Their primary religion is Ethnoreligion. They primarily speak Pilcomayo Wichí.

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

Fast Facts:

Affinity Group: Latin American and Caribbean Peoples
Country: Argentina
People Cluster: South American Indigenous
Primary Language(s): Pilcomayo Wichí (mzh)
Primary Religion(s): Ethnoreligion
Population: 19,500
Strategic Progress Index (SPI): Engaged yet Unreached
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Active CP Activity
People Group ID: PG017358
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Pray for the Wichi Guisnay 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

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Dig Deeper (Language):

Primary Language: Pilcomayo Wichí
Language Family: Mataguayan

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Media Resources in Pilcomayo Wichí:

Films:

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Bible Resources in Pilcomayo Wichí:

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Or check out the Pilcomayo Wichí bible at Bible.com

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Explore Lostness and Next Steps

Unengaged and Unreached

Strategic Priority Index (SPI): Unengaged and Unreached (SPI: 1), 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): Expanding Unreached People Group, (LPI: 2), 0.5% to 2% Evangelical.
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Active CP Activity (GSEC: 1), this people group is less than 2% evangelical, some evangelical resources are available, but there has been no active church planting among them within the past two years

Next steps for the Wichi Guisnay:
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 Wichi Guisnay 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 Wichi Guisnay:
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 Wichi Guisnay 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 Wichi Guisnay:
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 Wichi Guisnay of Argentina

"And you will know the truth, and the truth will set you free.”
readJohn 8:32

Pray for those who live enslaved to sin to hear and receive the truth of the gospel and be set free.

Let the nations be glad and sing for joy, for you judge the peoples with equity and guide the nations upon earth.
readPsalm 67:4

Pray that God will use ways from in-person witnesses to digital gospel resources to bring the joy of His salvation to everyone so that they can be glad in Him and sing for joy.

And God is able to make all grace about to you, so that having sufficiency in all things at all times, you may abound in every good work.
read2 Corinthians 9:8

Pray that as people place their faith in Christ, they will see that God provides for their needs and be content in His provision so that they may excel in every good work.

For as in one body we have many members, and the members do not all have the same function, so we, though many, are one body in Christ, and individually members one of another.
readRomans 12:4-5

Ask God to send believers to people in other cultures and to help them use their gifts in harmony with others so that the body of Christ may be built up.

Wichi Guisnay Across Countries (ROP3 - 108031) 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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