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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

He went to him and bound up his wounds, pouring on oil and wine. Then he set him on his own animal and brought him to an inn and took care of him
readLuke 10:34

Pray that the lost among them will experience the kind of compassion Jesus taught His followers to show others, and that they will trust in Him because He is the one who brings healing to the broken and lost.

...And that repentance for the forgiveness of sins should be proclaimed in his name to all nations, beginning from Jerusalem.
readLuke 24:47

Pray that the message of repentance and forgiveness through Jesus will reach everyone.

For as I passed along and observed the objects of your worship, I found also an altar with this inscription: ‘To the unknown god.’ What therefore you worship as unknown, this I proclaim to you.
readActs 17:23

Pray that as people place their faith in Christ, they will have a deep desire to know God more fully and to make Him known in creative ways to others who are still searching for truth.

How beautiful upon the mountains are the feet of him who brings good news, who publishes peace, who brings good news of happiness, who publishes salvation, who says to Zion, "Your God reigns”
readIsaiah 52:7

Pray that God will provide open doors for believers who cross cultures to share the good news of salvation with those who need it. Pray that He will give them joy as they see Him move.

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

Strategic Progress Index
All

1 people group

PhotoPeople Group IDNameCountryPopulation ▼Strategic Progress IndexLanguageReligion
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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