The Siriono of Bolivia

The Siriono of Bolivia, numbering approximately 1,100 people, are No Longer Unreached. They are described as an ethnolinguistic community of Bolivia They are an Indigenous people, with Siriono as their ethnic/kinship group and are in the Guarani people cluster of the Latin American and Caribbean Peoples. Their primary religion is Ethnoreligion. They primarily speak Sirionó.

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

Fast Facts:

Affinity Group: Latin American and Caribbean 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
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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

20%
%
Sirionó Speakers

Media Resources in Sirionó:

Films:

No entries found for: Sirionó(srq). Help build some!

Bible Resources in Sirionó:

Or check out the Sirionó bible at Bible.com

Linked from YouVersion

Explore Lostness and Next Steps

Unengaged and Unreached

Strategic Priority Index (SPI): Unengaged and Unreached (SPI: 2), 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): Marginally Reached People Group, (LPI: 4), 3% to 6% Evangelical.
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical (GSEC: 4), this people group is greater than or equal to 2% evangelical

Next steps for the Siriono:
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

SPI: Unreached yet Engaged

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.

Next steps for the Siriono:
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

SPI: No longer Unreached

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.

Next steps for the Siriono:
Empower local believers to begin praying for their own people
Continue gospel seed sowing and church planting
Encourage local leaders to being leading church planting strategy and looking for Unreached and Unengaged groups nearby

Pray specifically for the Siriono of Bolivia

And there is salvation in no one else, for there is no other name under heaven given among men by which we must be saved.
readActs 4:12

Pray that those walking in darkness among them will come to know the name by which they must be saved, and call upon Him in faith.

Behold, you shall call a nation that you do not know, and a nation that did not know you shall run to you, because of the LORD your God, and of the Holy One of Israel, for he has glorified you.
readIsaiah 55:5

Pray that those who do not know God will access the gospel, run to Him, and discover that He is the one their souls have been longing for.

The LORD make his face to shine upon you and be gracious to you.
readNumbers 6:25

Pray that as people place their faith in Christ, they will remember that He has given them His favor and His presence.

And how are they to preach unless they are sent? As it is written, “How beautiful are the feet of those who preach the good news!”
readRomans 10:15

Pray that God will call many believers who will obediently go and share the gospel with those who desperately need it.

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

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 Definitions page.

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