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PEOPLE GROUP PROFILE

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

Every word of God proves true; he is a shield to those who take refuge in him.
readProverbs 30:5

Pray that those who don't yet know God will trust the flawless Word of God and seek refuge in Him, finding hope and salvation instead of remaining in spiritual darkness.

“Worthy are you, our Lord and God, to receive glory and honor and power, for you created all things, and by your will they existed and were created.”
readRevelation 4:11

Pray that the good news will advance and people will recognize and worship the One who created all things by His will, giving glory and honor to Him alone.

But recall the former days when, after you were enlightened, you endured a hard struggle with sufferings, sometimes being publicly exposed to reproach and affliction, and sometimes being partners with those so treated.
readHebrews 10:32-33

Pray that as people place their faith in Christ, they will remember the day of their salvation and persevere in their faith despite hardships and suffering.

To the Jews I became as a Jew, in order to win Jews. To those under the law I became as one under the law (though not being myself under the law) that I might win those under the law.
read1 Corinthians 9:20

Pray that believers from similar cultures will be compelled by Christ's love to reach people who don't know the gospel, and that those people will receive the good news with joy.

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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