Siriono in Bolivia

The Siriono have only been reported in Bolivia
Population
Main Language
Largest Religion
Christian
Evangelical
Progress
Progress Gauge

Introduction / History

The Siriono people live in the tropical forests and savannas of Bolivia, primarily in the Beni Department near the village of Ibiato and surrounding areas. Their language, Siriono, belongs to the Tupi-Guarani family and is considered endangered, with only a small number of fluent speakers remaining. Spanish is now the dominant language for daily communication due to close contact with urban centers like Trinidad.

Historically, the Siriono were semi-nomadic, practicing a lifestyle that combined hunting, gathering, and seasonal agriculture. Early attempts by missionaries and government agents to settle them were largely unsuccessful and led to population decline through disease and displacement. Today, they maintain an autonomous territory recognized by the Bolivian state, though cultural erosion continues as younger generations adopt Spanish and modern practices.


What Are Their Lives Like?

The Siriono traditionally lived in temporary palm-leaf shelters and moved seasonally to hunt, fish, and gather forest resources. They cultivated crops such as maize, cassava, and sweet potatoes during the dry season, returning periodically to tend fields before resuming their migratory life. Modern Siriono communities are more settled, with small villages and scattered farms, but they still rely heavily on subsistence agriculture and forest resources.

Access to healthcare and education is limited, and many families face challenges from deforestation and land-use pressures caused by cattle ranching and infrastructure development. Cultural practices such as body painting, communal dancing, and maize beer preparation persist, though they are less common among younger generations.


What Are Their Beliefs?

The Siriono historically practiced animistic beliefs, revering spirits associated with nature and ancestral traditions. They lacked formal shamans but believed in spiritual forces that influenced daily life. Catholic influence arrived through missionary efforts, and today some Siriono communities blend Catholic rituals with traditional practices. This syncretism reflects their desire to maintain cultural identity while adapting to external religious influences.


What Are Their Needs?

Healthcare services are scarce, leaving communities vulnerable to preventable diseases and lacking access to emergency care. Educational opportunities are minimal, with few schools and limited resources for preserving the Siriono language and culture. Legal protection of their ancestral lands is critical, as deforestation and agricultural expansion threaten their environment and traditional way of life.


Prayer Items

Pray for the Siriono to encounter the gospel in ways that honor their language and cultural heritage.
Ask for wisdom and perseverance for those sharing gospel materials in Siriono, so that God's word becomes accessible and transformative.
Intercede for spiritual openness among community leaders and families, that they may find hope and unity in Christ amid social and environmental challenges.
Pray that soon Siriono disciples will disciple other indigenous peoples in the ways of Christ.


Scripture Prayers for the Siriono in Bolivia.


References

PeopleGroups.org – Siriono
Britannica – Sirionó
Endangered Languages Archive – Siriono Documentation
Native Languages – Siriono Language


Profile Source:   Joshua Project  

People Name General Siriono
People Name in Country Siriono
Alternate Names
Population this Country 1,100
Population all Countries 1,100
Total Countries 1
Indigenous Yes
Progress Scale Progress Gauge
Unreached No
Frontier No
GSEC 4  (per PeopleGroups.org)
Pioneer Workers Needed
PeopleID3 14950
ROP3 Code 109331
Country Bolivia
Region America, Latin
Continent South America
10/40 Window No
National Bible Society Website
Persecution Rank Not ranked
Location in Country El Beni and Santa Cruz departments: Ibiato (Eviato); Salvatierra on Río Blanco river.   Source:  Ethnologue 2018
Country Bolivia
Region America, Latin
Continent South America
10/40 Window No
National Bible Society Website
Persecution Rank Not ranked
Location in Country El Beni and Santa Cruz departments: Ibiato (Eviato); Salvatierra on Río Blanco river..   Source:  Ethnologue 2018

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Primary Religion: Christianity
Major Religion Estimated Percent
Buddhism
0.00 %
Christianity
70.00 %
Ethnic Religions
30.00 %
Hinduism
0.00 %
Islam
0.00 %
Non-Religious
0.00 %
Other / Small
0.00 %
Unknown
0.00 %
Primary Language Siriono (1,100 speakers)
Language Code srq   Ethnologue Listing
Written / Published Yes   ScriptSource Listing
Total Languages 1
Primary Language Siriono (1,100 speakers)
Language Code srq   Ethnologue Listing
Total Languages 1
People Groups Speaking Siriono

Primary Language:  Siriono

Bible Translation Status  (Years)
Bible-Portions Yes  (1964)
Bible-New Testament Yes  (1977-2013)
Bible-Complete No
YouVersion NT (www.bible.com) Online
Possible Print Bibles
Amazon
World Bibles
Forum Bible Agencies
National Bible Societies
World Bible Finder
Virtual Storehouse
Resource Type Resource Name Source
Audio Recordings Audio Bible teaching Global Recordings Network
General Scripture Earth Gospel resources links Scripture Earth
General YouVersion Bible versions in text and/or audio YouVersion Bibles
Mobile App Android Bible app direct APK download SIL
Mobile App Android Bible app: Siriono YouVersion Bibles
Mobile App Android Bible app: Sirionó - Bible Wycliffe Bible Translators
Mobile App iOS Bible app direct APK download SIL
Mobile App iOS Bible app: Siriono YouVersion Bibles
Text / Printed Matter Download scripture in this language eBible.org
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Profile Source Joshua Project 
Data Sources Data is compiled from various sources. Learn more.