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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 described as an ethnolinguistic community of Tanzania They are an Indigenous people, with Sumbwa as their ethnic/kinship group and are in the Bantu, Central-Tanzania people cluster of the Sub-Saharan African Peoples. Their primary religion is Animism. They primarily speak Sumbwa.

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 Active 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 Active 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

The heavens declare the glory of God, and the sky above proclaims his handiwork.
readPsalm 19:1

Pray that those who are lost will look to the heavens and see the glory of God displayed, leading them to seek Him and know Him as their Creator and Savior.

This is the message we have heard from him and proclaim to you, that God is light, and in him is no darkness at all.
read1 John 1:5

As mobile phones, radio, and satellite television, and other technologies become more available worldwide, pray for people who are developing digital gospel resources so that others can easily access the gospel.

"...I will build my church, and the gates of hell shall not prevail against it."
readMatthew 16:18b

Pray that God will build and grow His Church among this people.

And the ransomed of the LORD shall return and come to Zion with singing; everlasting joy shall be upon their heads; they shall obtain gladness and joy, and sorrow and sighing shall flee away.
readIsaiah 51:11

Pray that, as God sends people to cross cultures and share the good news of Jesus, many will turn to the Lord in repentance and faith and start a personal relationship with Him that will bring them everlasting joy.

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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