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The Siriano of Brazil

The Siriano of Brazil, numbering approximately 70 people, are Engaged yet Unreached. They are an Eastern Tucanoan people of the Vaupes basin along the Brazil-Colombia border, part of a linguistically exogamous marriage network spanning seventeen ethnic groups where children inherit their father's language and identity. They mostly adhere to Animism and Siriano is their primary language.

Photo by Google. (2026). Image generated by Gemini 2.5 Flash: Siriano

Fast Facts:

Affinity Group: Latin American and Caribbean Peoples
Country: Brazil
People Cluster: South American Indigenous
Primary Language(s): Siriano (sri)
Primary Religion(s): Animism
Population: 70
Strategic Progress Index (SPI): Engaged yet Unreached
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Recent CP Activity
People Group ID: PG017103
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Pray for the Siriano 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.

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Dig Deeper (Religion):

Primary Religion: Animism
Religious Affiliation: Ethnoreligion

90%
%
Animism Adherents

Dig Deeper (Language):

Primary Language: Siriano
Language Family: Tucanoan

79%
%
Siriano Speakers

Media Resources in Siriano:

Films:

No film resources are listed for this language.

Provided by the Jesus Film Project

View all resources

Bible Resources in Siriano:

Bible Name (Translation)VideoAudioText
2009 Wycliffe Bible Translators Inc.✓✓✓

1 entry

Provided by Faith Comes by Hearing

Or check out the Siriano bible at Bible.com

Linked from YouVersion

View all resources

SPI: Unreached yet Engaged

The Siriano 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.

Next steps for the Siriano:
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

Pray specifically for the Siriano of Brazil

For all the gods of the peoples are worthless idols, but the LORD made the heavens.
read1 Chronicles 16:26

Pray that those among them who are lost and seeking after worthless idols will have the opportunity to hear and respond to the good news, seeing that Jesus is better than any idol.

The mountains rose, the valleys sank down to the place that you appointed for them.
readPsalm 104:8

Pray that they will see the hand of God in the beauty and order of the natural world, and that they will worship Him as the Creator and Sustainer of all things.

Sing for joy, O heavens, and exult, O earth; break forth, O mountains, into singing! For the LORD has comforted his people and will have compassion on his afflicted.
readIsaiah 49:13

Pray that as people place their faith in Christ and suffer for their faith, they will sing for joy and be glad in their hearts because the Lord has compassion on them.

And the King will answer them, "Truly, I say to you, as you did it to one of the least of these my brothers, you did it to me."
readMatthew 25:40

Ask God to raise up and send believers who will serve "the least of these" with compassion and energy because they know that in serving those in need, they are serving Christ.

Siriano Across Countries (ROP3 - 109330) reported in the following countries:

Strategic Progress Index
All

2 people groups

PhotoPeople Group IDNameCountryPopulation ▲Strategic Progress IndexLanguageReligion
SirianoPG017103SirianoBrazil70Engaged yet UnreachedSirianoAnimism
SirianoPG016280SirianoColombia650Unengaged and UnreachedSirianoEthnoreligion

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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