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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

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.

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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

Be still, and know that I am God. I will be exalted among the nations, I will be exalted in the earth!
readPsalm 46:10

Pray that those who do not yet worship Jesus will be still and know that He is God, that He will be exalted among them and in all the earth.

Jesus said to them, "I am the bread of life; whoever comes to me shall not hunger, and whoever believes in me shall never thirst."
readJohn 6:35

Pray that the lost will come to Jesus and believe in Him, never to hunger or thirst again.

For you are great and do wondrous things; you alone are God. Teach me your way, O Lord, that I may walk in your truth; unite my heart to fear your name.
readPsalm 86:10-11

Pray that as people place their faith in Christ, they will trust in the Lord with all their heart, knowing that He is the one true God and will teach them His ways.

Let them praise his name with dancing, making melody to him with tambourine and lyre!
readPsalm 149:3

Pray that God will send His people across cultures to share the gospel so that those who don't yet know the truth about Him might praise His name and share the hope of Christ with others.

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

Strategic Progress Index
All

1 people group

PhotoPeople Group IDNameCountryPopulation ▼Strategic 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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