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The Uncontacted of Cumina of Brazil

The Uncontacted of Cumina of Brazil, numbering approximately 25 people, are Unengaged and Unreached. They are an uncontacted Indigenous people of the Cumina region of the Brazilian Amazon who live in voluntary isolation and are known primarily through indirect evidence gathered by Indigenous protection and monitoring agencies. They mostly adhere to Ethnoreligion and Undetermined is their primary language.

Photo by Google. (2026). Image generated by Gemini 3.1 Flash-Lite: Uncontacted of Cumina

Fast Facts:

Affinity Group: Latin American and Caribbean Peoples
Country: Brazil
People Cluster: Amazon
Primary Language(s): Undetermined (und)
Primary Religion(s): Ethnoreligion
Population: 25
Strategic Progress Index (SPI): Unengaged and Unreached
Global Status of Evangelical Christianity (GSEC): No Evangelicals, Churches or Resources
People Group ID: PG047146

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Pray for the Uncontacted of Cumina of Brazil

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.

Pray Now!
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Dig Deeper (Religion):

Primary Religion: Ethnoreligion
Religious Affiliation: Ethnoreligion

—
%
Ethnoreligion Adherents

Dig Deeper (Language):

Primary Language: Undetermined
Language Family:

—
%
Undetermined Speakers

Media Resources in Undetermined:

Films:

No film resources are listed for this language.

Provided by the Jesus Film Project

View all resources

Bible Resources in Undetermined:

No Bible resources are listed for this language.

Provided by Faith Comes by Hearing

Or check out the Undetermined bible at Bible.com

Linked from YouVersion

View all resources

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): Frontier Unreached People Group, (LPI: 0), < 0.1% Evangelical.
Global Status of Evangelical Christianity (GSEC): No Evangelicals, Churches or Resources (GSEC: 0), there are no evangelical Christians or churches among this people group and there is no access to evangelical print, audio, visual or human resources

Next steps for the Uncontacted of Cumina:
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 Uncontacted of Cumina of Brazil

For his invisible attributes, namely, his eternal power and divine nature, have been clearly perceived, ever since the creation of the world, in the things that have been made. So they are without excuse.
readRomans 1:20

As God's creation declares His glory, pray that multitudes who don't know Him will see the works of His hands and desire to know more about the Creator.

And he said to the woman, “Your faith has saved you; go in peace.”
readLuke 7:50

Pray for the good news of Jesus Christ to reach many so that they can place their faith in Him and have lasting hope.

Do not be unequally yoked with unbelievers. For what partnership has righteousness with lawlessness? Or what fellowship has light with darkness?
read2 Corinthians 6:14

Pray that as people place their faith in Christ and want to marry, they will be led to other believers and enter into godly marriages.

After this the Lord appointed seventy-two others and sent them on ahead of him, two by two, into every town and place where he himself was about to go.
readLuke 10:1

Ask God to raise up, send out, and sustain Christians who can go together to share the good news of Jesus with those who need it.

Uncontacted of Cumina Across Countries (ROP3 - 116057) reported in the following countries:

Strategic Progress Index
All

1 people group

PhotoPeople Group IDNameCountryPopulationStrategic Progress Index ▼LanguageReligion
Uncontacted of CuminaPG047146Uncontacted of CuminaBrazil25Unengaged and UnreachedUndeterminedEthnoreligion

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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