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PEOPLE GROUP PROFILE

The Wasi of Tanzania

The Wasi of Tanzania, numbering approximately 64,000 people, are Unengaged and Unreached. They are an ethnolinguistic community of Tanzania. They are an Indigenous people in the Rift people cluster of the Horn of Africa Peoples affinity bloc. Their primary language is Alagwa and their primary religion is Folk Islam.

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

Fast Facts:

Affinity Group: Horn of Africa Peoples
Country: Tanzania
People Cluster: Rift
Primary Language(s): Alagwa (wbj)
Primary Religion(s): Folk Islam
Population: 64,000
Strategic Progress Index (SPI): Unengaged and Unreached
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Active CP Activity
People Group ID: PG015060
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Pray for the Wasi of Tanzania

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Dig Deeper (Religion):

Primary Religion: Folk Islam
Religious Affiliation: Islam

99%
%

Dig Deeper (Language):

Primary Language: Alagwa
Language Family: Afro-Asiatic

58%
%

Media Resources in Alagwa:

Films:

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Provided by the Jesus Film Project

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Bible Resources in Alagwa:

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Provided by Faith Comes by Hearing

Or check out the Alagwa 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: 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): Frontier Unreached People Group, (LPI: 0), < 0.1% 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 Wasi:
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 Wasi 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 Wasi:
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 Wasi 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 Wasi:
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 Wasi of Tanzania

"I have said these things to you, that in me you may have peace. In the world you will have tribulation. But take heart; I have overcome the world."
readJohn 16:33

Pray that those who don't have peace with God will find peace in Christ, even amid the troubles of this world.

Sing praises to God, sing praises! Sing praises to our King, sing praises!
readPsalm 47:6

Pray that believers will have a heart to invite others to trust in Christ alone so that they might sing praises to His name.

But God, being rich in mercy, because of the great love with which he loved us, even when we were dead in our trespasses, made us alive together with Christ—by grace you have been saved.
readEphesians 2:4-5

Pray that as people place their faith in Christ, they will remember God's mercy and grace and experience joy as they walk in new life with Christ.

For I delivered to you as of first importance what I also received: that Christ died for our sins in accordance with the Scriptures, that he was buried, that he was raised on the third day in accordance with the Scriptures.
read1 Corinthians 15:3-4

Pray that God will raise up believers to go to the lost and faithfully proclaim the good news of Jesus' death and resurrection so that all may have an opportunity to access and believe.

Alagwa Across Countries (ROP3 - 100210) 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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