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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.

Waimiri-Atroari in Brazil photo
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

%
Ethnoreligion - Animism Adherents

Dig Deeper (Language):

Primary Language: Waimiri-Atroarí
Language Family: Cariban

%
Waimiri-Atroarí Speakers

Media Resources in Waimiri-Atroarí:

Films:

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Bible Resources in Waimiri-Atroarí:

Provided by Faith Comes by Hearing

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

Linked from YouVersion

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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 God is the King of all the earth; sing praises with a psalm!
readPsalm 47:7

Pray for those who live for idols that will never satisfy their hearts, asking that someone will tell them that God is the King of all the earth so that they will turn to Him in repentance and praise.

So then it depends not on human will or exertion, but on God, who has mercy.
readRomans 9:16

Pray that the merciful God who is at work in people's hearts will advance His gospel among them.

If then you have been raised with Christ, seek the things that are above, where Christ is, seated at the right hand of God.
readColossians 3:1

Pray that as people place their faith in Christ, they will seek the things that are above, where Christ is, seated at the right hand of God.

Come, bless the LORD, all you servants of the LORD, who stand by night in the house of the LORD!
readPsalm 134:1

Pray that God will raise up believers among them who are in awe of Him and that, in service to Him, they will share the gospel with others so that they too may bless the Lord!

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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