The Ayoreo of Bolivia

The Ayoreo of Bolivia, numbering approximately 1,700 people, are No Longer Unreached. They are described as a Gran Chaco people of Bolivia's Santa Cruz department tracing mission contact to 1724's Jesuit San Ignacio de Zamucos, though the name Ayoreo dates only to after the 1932-1935 Chaco War, still recognized constitutionally under its older name, Zamuco They are an Indigenous people, with Ayore (Ayoreo) as their ethnic/kinship group and are in the South American Indigenous people cluster of the Latin American and Caribbean Peoples. They mostly adhere to Ethnoreligion and Ayoreo is their primary language.

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

Fast Facts:

Affinity Group: Latin American and Caribbean Peoples
Country: Bolivia
People Cluster: South American Indigenous
Primary Language(s): Ayoreo (ayo)
Primary Religion(s): Ethnoreligion
Population: 1,700
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 5% or Greater but Less than 10% Evangelical
People Group ID: PG017384
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Pray for the Ayoreo of Bolivia

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.

Dig Deeper (Religion):

Primary Religion: Ethnoreligion
Religious Affiliation: Ethnoreligion

—
%
Ethnoreligion Adherents

Dig Deeper (Language):

Primary Language: Ayoreo
Language Family: Zamucoan

100%
%
Ayoreo Speakers

Media Resources in Ayoreo:

Films:
TitleLink
JESUSView Film

1 film

Bible Resources in Ayoreo:

Bible Name (Translation)VideoAudioText
1982 New Tribes Mission✓✓
2018 Ethnos 360✓✓✓

2 entries

Or check out the Ayoreo bible at Bible.com

Linked from YouVersion

SPI: No longer Unreached

The Ayoreo 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 Ayoreo:
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 Ayoreo of Bolivia

I will put enmity between you and the woman, and between your offspring and her offspring; he shall bruise your head, and you shall bruise his heel.
readGenesis 3:15

Pray that those without Christ will hear the words of Genesis 1-3 in their own language, and desire to know their Creator and His provision of salvation.

He will tend his flock like a shepherd; he will gather the lambs in his arms; he will carry them in his bosom, and gently lead those that are with young.
readIsaiah 40:11

Pray that the lost will come to know the tender care of the Good Shepherd, who gathers the lambs in His arms and carries them close to His heart.

Praying at all times in the Spirit, with all prayer and supplication. To that end, keep alert with all perseverance, making supplication for all the saints.
readEphesians 6:18

Pray that as people place their faith in Christ, they will be alert and persistent in prayer for all believers, offering their requests with thanksgiving.

He came as a witness, to bear witness about the light, that all might believe through him.
readJohn 1:7

Pray that God will raise up witnesses to testify about Jesus so that all might believe, knowing that He is light and in Him there is no darkness at all.

Ayoreo Across Countries (ROP3 - 100666) reported in the following countries:

Strategic Progress Index
All

2 people groups

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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