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PEOPLE GROUP PROFILE

The Sumbwa of Tanzania

The Sumbwa of Tanzania, numbering approximately 550,000 people, are Engaged yet Unreached. They are an ethnolinguistic community of Tanzania. They are an Indigenous people in the Bantu, Central-Tanzania people cluster of the Sub-Saharan African Peoples affinity bloc. Their primary language is Sumbwa and their primary religion is Animism.

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

Fast Facts:

Affinity Group: Sub-Saharan African Peoples
Country: Tanzania
People Cluster: Bantu, Central-Tanzania
Primary Language(s): Sumbwa (suw)
Primary Religion(s): Animism
Population: 550,000
Strategic Progress Index (SPI): Engaged yet Unreached
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Recent CP Activity
People Group ID: PG015046
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Pray for the Sumbwa 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

53%
%

Dig Deeper (Language):

Primary Language: Sumbwa
Language Family: Atlantic-Congo

45%
%

Media Resources in Sumbwa:

Films:

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Provided by the Jesus Film Project

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Bible Resources in Sumbwa:

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Provided by Faith Comes by Hearing

Or check out the Sumbwa 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: 1), 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): Expanding Unreached People Group, (LPI: 2), 0.5% to 2% Evangelical.
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Recent CP Activity (GSEC: 1), this people group is less than 2% evangelical, some evangelical resources are available, but there has been no active church planting among them within the past two years

Next steps for the Sumbwa:
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 Sumbwa 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 Sumbwa:
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 Sumbwa 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 Sumbwa:
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 Sumbwa of Tanzania

For God alone my soul waits in silence; from him comes my salvation.
readPsalm 62:1

Pray that those who are troubled and don't know about the God who saves will hear the good news and find rest in the one true God who can offer salvation for their souls.

All the earth worships you and sings praises to you; they sing praises to your name.
readPsalm 66:4

Pray that the good news of Jesus will advance here and that many will bow down and sing praises to His name.

The Lord is my light and my salvation; whom shall I fear? The Lord is the stronghold of my life; of whom shall I be afraid?
readPsalm 27:1

Pray that as people place their faith in Christ, God will strengthen them when they face persecution of any kind for Jesus' name’s sake.

Sing to him, sing praises to him; tell of all his wondrous works!
readPsalm 105:2

Pray for God to saturate this place with the gospel and raise up believing men and women from among them to share the good news of Christ with those who have yet to encounter it.

Sumbwa Across Countries (ROP3 - 109603) 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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