The Siriono of Bolivia

The Siriono of Bolivia, numbering approximately 1,100 people, are No Longer Unreached. They are an ethnolinguistic community of Bolivia and can also be known as Mbia Chee, Mbya. They are an Indigenous people, in the Guarani people cluster of the Latin-Caribbean Americans affinity bloc. Their primary religion is Ethnoreligion. They primarily speak Sirionó.

Siriono in Bolivia photo
Photo courtesy of Joshua Project. Photo Source: Copyrighted ©️ 2025 Etnopedia Used with permission

Fast Facts:

Affinity Group: American Peoples
Country: Bolivia
People Cluster: Guarani
Primary Language(s): Sirionó (srq)
Primary Religion(s): Ethnoreligion
Population: 1,100
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical
People Group ID: PG017423
View on Joshua Project

Pray for the Siriono of Bolivia

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Dig Deeper (Religion):

Primary Religion: Ethnoreligion
Religious Affiliation: Ethnoreligion

%
Ethnoreligion Adherents

Dig Deeper (Language):

Primary Language: Sirionó
Language Family: Tupian

%
Sirionó Speakers

Media Resources in Sirionó:

Films:

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Bible Resources in Sirionó:

Or check out the Sirionó bible resources at Bible.com

Linked from YouVersion

Next steps for the Siriono

The Siriono are Unengaged and Unreached, 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.

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

Next steps for the Siriono

The Siriono 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.

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

Next steps for the Siriono

The Siriono are No Longer Unreached, which means there are more than 2% evangelical Christian populations and there are churches consistent with evangelical faith and practice. There is still more to be done among them.

Empower local believers to begin praying for their own people
Continue gospel seed sowing and church planting among this group
Encourage local leaders to being leading church planting strategy and looking for Unreached and Unengaged groups nearby

Pray specifically for the Siriono of Bolivia

Listen, my beloved brothers, has not God chosen those who are poor in the world to be rich in faith and heirs of the kingdom, which he has promised to those who love him?
readJames 2:5

Pray for those living in despair to experience the riches of God's love and the hope of eternal life through faith in Christ.

Jesus said to them, "I am the bread of life; whoever comes to me shall not hunger, and whoever believes in me shall never thirst."
readJohn 6:35

Pray that the lost will come to Jesus and believe in Him, never to hunger or thirst again.

My Father, who has given them to me, is greater than all, and no one is able to snatch them out of the Father’s hand.
readJohn 10:29

Pray that as people place their faith in Christ, they will rejoice as they remember that they can never lose their salvation

This is the message we have heard from him and proclaim to you, that God is light, and in him is no darkness at all.
read1 John 1:5

Pray that God will raise up believers who can share the gospel with people who don't know the good news of Jesus, that God is light and in him, there is no darkness at all.

Siriono (ROP3 - 109331) reported in the following countries:

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