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PEOPLE GROUP PROFILE

The Rufiji of Tanzania

The Rufiji of Tanzania, numbering approximately 580,000 people, are Unengaged and Unreached. They are an ethnic and cultural group of eastern Tanzania, closely associated with the Rufiji River and its floodplain and delta along the country’s central coastline. They mostly adhere to Sunni Islam and Rufiji is their primary language.

Photo by Google. (2026). Image generated by Gemini 3.1 Flash Lite: Rufiji

Fast Facts:

Affinity Group: Sub-Saharan African Peoples
Country: Tanzania
People Cluster: Bantu, Central-Tanzania
Primary Language(s): Rufiji (rui)
Primary Religion(s): Sunni Islam
Population: 580,000
Strategic Progress Index (SPI): Unengaged and Unreached
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Recent CP Activity
People Group ID: PG050319
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Pray for the Rufiji of Tanzania

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Dig Deeper (Religion):

Primary Religion: Sunni Islam
Religious Affiliation: Islam

90%
%
Sunni Islam Adherents

Dig Deeper (Language):

Primary Language: Rufiji
Language Family: Bookkeeping

100%
%
Rufiji Speakers

Media Resources in Rufiji:

Films:

No film resources are listed for this language.

Provided by the Jesus Film Project

View all resources

Bible Resources in Rufiji:

No Bible resources are listed for this language.

Provided by Faith Comes by Hearing

Or check out the Rufiji bible at Bible.com

Linked from YouVersion

View all resources

Explore Lostness and Next Steps

Unengaged and Unreached

Strategic Priority Index (SPI): Unengaged and Unreached (SPI: 0), 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% or Greater but Less than 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 Rufiji:
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

Pray specifically for the Rufiji of Tanzania

All have turned aside; together they have become worthless; no one does good, not even one.
readRomans 3:12

Pray that those who are enslaved to sin will admit their need for a Savior, acknowledging that no one is righteous.

More than that, we also rejoice in God through our Lord Jesus Christ, through whom we have now received reconciliation.
readRomans 5:11

Pray for the gospel to advance and for more people to be brought into God's family through the reconciliation Jesus offers them.

For though I am free from all, I have made myself a servant to all, that I might win more of them.
read1 Corinthians 9:19

Pray that as people place their faith in Christ, they will have hearts that want to serve the lost around them so that many might come to faith in Jesus.

How beautiful upon the mountains are the feet of him who brings good news, who publishes peace, who brings good news of happiness, who publishes salvation, who says to Zion, "Your God reigns”
readIsaiah 52:7

Pray that God will provide open doors for believers who cross cultures to share the good news of salvation with those who need it. Pray that He will give them joy as they see Him move.

Rufiji Across Countries (ROP3 - 108434) reported in the following countries:

Strategic Progress Index
All

1 people group

PhotoPeople Group IDName ▼CountryPopulationStrategic Progress IndexLanguageReligion
RufijiPG050319RufijiTanzania580,000Unengaged and UnreachedRufijiSunni Islam

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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