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PEOPLE GROUP PROFILE

The Ongamo of Tanzania

The Ongamo of Tanzania, numbering approximately 8,600 people, are No Longer Unreached. They are a Chagga subgroup of Tanzania. They are an Indigenous people in the Nilotic people cluster of the Sub-Saharan African Peoples affinity bloc. Their primary language is Mochi and their primary religion is Animism.

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

Fast Facts:

Affinity Group: Sub-Saharan African Peoples
Country: Tanzania
People Cluster: Nilotic
Primary Language(s): Mochi (old)
Primary Religion(s): Animism
Population: 8,600
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical
People Group ID: PG015017

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Pray for the Ongamo of Tanzania

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.

Pray Now!
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Dig Deeper (Religion):

Primary Religion: Animism
Religious Affiliation: Ethnoreligion

95%
%

Dig Deeper (Language):

Primary Language: Mochi
Language Family: Atlantic-Congo

100%
%

Media Resources in Mochi:

Films:

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Provided by the Jesus Film Project

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Bible Resources in Mochi:

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Provided by Faith Comes by Hearing

Or check out the Mochi bible at Bible.com

Linked from YouVersion

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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): Minimally Reached People Group, (LPI: 3), 2% to 3% 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 Ongamo:
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 Ongamo 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 Ongamo:
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 Ongamo 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 Ongamo:
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 Ongamo of Tanzania

I acknowledged my sin to you, and I did not cover my iniquity; I said, 'I will confess my transgressions to the Lord,' and you forgave the iniquity of my sin.
readPsalm 32:5

Pray those who are lost will realize their sin, confess their iniquity, and grow in their understanding of salvation through faith in Christ alone.

And when they saw it, they made known the saying that had been told them concerning this child.
readLuke 2:17

Pray that the lost will receive the good news of salvation in God's Son, have hearts eager to share it with others, and that all who hear will respond with wonder and faith!

I give them eternal life, and they will never perish, and no one will snatch them out of my hand.
readJohn 10:28

Pray that as people place their faith in Christ, they will have assurance of eternal life, knowing that no one can snatch them out of the loving hand of Jesus.

O LORD, who shall sojourn in your tent? Who shall dwell on your holy hill? He who walks blamelessly and does what is right and speaks truth in his heart.
readPsalm 15:1-2

Ask God to send believers who will go and, with integrity, walk blamelessly and do what is right, speaking truth about the Lord with those who need to learn about His redemption plan.

Ongamo Across Countries (ROP3 - 107653) 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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