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The Waimiri-Atroari of Brazil

The Waimiri-Atroari of Brazil, numbering approximately 1,100 people, are Unengaged and Unreached. They are a Carib-speaking Indigenous people who call themselves Kinja in the Waimiri-Atroari territory of Roraima and Amazonas, remembered for resisting outside incursion until a 1970s-80s highway project and its epidemics pushed them to the brink of extinction. They mostly adhere to Animism and Waimiri-Atroari is their primary language.

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

Fast Facts:

Affinity Group: Latin American and Caribbean Peoples
Country: Brazil
People Cluster: South American Indigenous
Primary Language(s): Waimiri-Atroari (atr)
Primary Religion(s): Animism
Population: 1,100
Strategic Progress Index (SPI): Unengaged and Unreached
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Recent CP Activity
People Group ID: PG017176
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Pray for the Waimiri-Atroari of Brazil

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Dig Deeper (Religion):

Primary Religion: Animism
Religious Affiliation: Ethnoreligion

90%
%
Animism Adherents

Dig Deeper (Language):

Primary Language: Waimiri-Atroari
Language Family: Cariban

100%
%
Waimiri-Atroarí Speakers

Media Resources in Waimiri-Atroari:

Films:

No film resources are listed for this language.

Provided by the Jesus Film Project

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Bible Resources in Waimiri-Atroari:

No Bible resources are listed for this language.

Provided by Faith Comes by Hearing

Or check out the Waimiri-Atroari bible at Bible.com

Linked from YouVersion

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Explore Lostness and Next Steps

Unengaged and Unreached

Strategic Priority Index (SPI): Unengaged and Unreached (SPI: 0), 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% or Greater but Less than 2% Evangelical.
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Recent 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 Waimiri-Atroari:
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

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.

For there is one God, and there is one mediator between God and men, the man Christ Jesus, who gave himself as a ransom for all, which is the testimony given at the proper time.
read1 Timothy 2:5-6

Pray for the truth about Jesus Christ to spread among the lost so that many will accept His ransom for their sin and experience freedom in a relationship with Him.

I lift up my eyes to the hills. From where does my help come? My help comes from the LORD, who made heaven and earth.
readPsalm 121:1-2

Pray that as people place their faith in Christ and experience hardship, God will remind them that their help comes from the One who made heaven and earth and that He is powerful to meet their needs.

After this I looked, and behold, a great multitude that no one could number, from every nation, from all tribes and peoples and languages, standing before the throne and before the Lamb, clothed in white robes, with palm branches in their hands, and crying out with a loud voice, “Salvation belongs to our God who sits on the throne, and to the Lamb!”
readRevelation 7:9-10

Pray that the promise in Revelation 7:9-10 will encourage believers from among them or from nearby people groups to share the gospel with people who have never learned it.

Atruahi Across Countries (ROP3 - 100603) reported in the following countries:

Strategic Progress Index

All

1 people group

Photo People Group ID Name Country Population ▼ Strategic Progress Index Language Religion
Waimiri-Atroari PG017176 Waimiri-Atroari Brazil 1,100 Unengaged and Unreached Waimiri-Atroari Animism

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 Data Standards section.

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