The Waimiri-Atroari of Brazil

The Waimiri-Atroari of Brazil, numbering approximately 1,100 people, are Unengaged and Unreached. They are an indigenous community of Brazil. They are an Indigenous people, in the South American Indigenous people cluster of the Latin American and Caribbean Peoples affinity bloc. Their primary religion is Ethnoreligion - Animism. They primarily speak Waimiri-Atroarí.

Photo by Google. (2026). Image generated by Gemini 2.5 Flash: Waimiri-Atroari

Fast Facts:

Affinity Group: American Peoples
Country: Brazil
People Cluster: South American Indigenous
Primary Language(s): Waimiri-Atroarí (atr)
Primary Religion(s): Ethnoreligion - Animism
Population: 1,100
Strategic Progress Index (SPI): Unengaged and Unreached
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Active CP Activity
People Group ID: PG017176
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Dig Deeper (Religion):

Primary Religion: Ethnoreligion - Animism
Religious Affiliation: Ethnoreligion

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Dig Deeper (Language):

Primary Language: Waimiri-Atroarí
Language Family: Cariban

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Media Resources in Waimiri-Atroarí:

Films:

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Bible Resources in Waimiri-Atroarí:

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Or check out the Waimiri-Atroarí bible resources at Bible.com

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Next steps for the Waimiri-Atroari

The Waimiri-Atroari 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 Waimiri-Atroari

The Waimiri-Atroari 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 Waimiri-Atroari

The Waimiri-Atroari 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 Waimiri-Atroari of Brazil

For we ourselves were once foolish, disobedient, led astray, slaves to various passions and pleasures, passing our days in malice and envy, hated by others and hating one another.
readTitus 3:3

Pray for those who seek worldly pleasures instead of God to flee from sin and choose God’s goodness and lovingkindness by placing their faith in Jesus.

Praise him for his mighty deeds; praise him according to his excellent greatness!
readPsalm 150:2

Pray for the gospel to advance among those who are living in darkness. Pray that they will come to know Jesus and praise Him for all that He has done.

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.

Let them praise his name with dancing, making melody to him with tambourine and lyre!
readPsalm 149:3

Pray that God will send His people across cultures to share the gospel so that those who don't yet know the truth about Him might praise His name and share the hope of Christ with others.

Atruahi (ROP3 - 100603) 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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