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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

But I say to you, Love your enemies and pray for those who persecute you, so that you may be sons of your Father who is in heaven. For he makes his sun rise on the evil and on the good, and sends rain on the just and on the unjust.
readMatthew 5:44-45

Pray for those who don't know Jesus to encounter believers who are kind and compassionate and that their imitation of Christ will serve as a testimony that attracts lost people to Jesus.

"O righteous Father, even though the world does not know you, I know you, and these know that you have sent me."
readJohn 17:25

Pray that the lost will come to know the Father and Jesus Christ, whom He has sent, and that they will be filled with His love and grace.

Praising God and having favor with all the people. And the Lord added to their number day by day those who were being saved.
readActs 2:47

Pray that as people place their faith in Christ, God will use their faith and their church community as a testimony to the watching world and grow His Church.

May God be gracious to us and bless us and make his face to shine upon us, that your way may be known on earth, your saving power among all nations.
readPsalm 67:1-2

Pray that as God blesses believers from among this people group or from nearby cultures, He will raise them up to share His saving power among the nations.

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

Strategic Progress Index
All

1 people group

PhotoPeople Group IDNameCountry ▼PopulationStrategic 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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