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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 religion is Islam - Folk. They primarily speak Alagwa.

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

Fast Facts:

Affinity Group: Sub-Saharan African Peoples
Country: Tanzania
People Cluster: Rift
Primary Language(s): Alagwa (wbj)
Primary Religion(s): Islam - Folk
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: Islam - Folk
Religious Affiliation: Islam

%
Islam - Folk Adherents

Dig Deeper (Language):

Primary Language: Alagwa
Language Family: Afro-Asiatic

%
Alagwa Speakers

Media Resources in Alagwa:

Films:

Provided by the Jesus Film Project

View all resources

Bible Resources in Alagwa:

Provided by Faith Comes by Hearing

Or check out the Alagwa bible resources at Bible.com

Linked from YouVersion

View all resources

Next steps for the Wasi

The Wasi are Unengaged and Unreached, 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.

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

Next steps for the Wasi

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.

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

Next steps for the Wasi

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.

Empower local believers to begin praying for their own people
Continue gospel seed sowing and church planting among this group
Encourage local leaders to being leading church planting strategy and looking for Unreached and Unengaged groups nearby

Pray specifically for the Wasi of Tanzania

Claiming to be wise, they became fools.
readRomans 1:22

Ask God to pour out His mercy and bring those who are walking in their own wisdom to faith in Jesus.

After this I looked, and behold, a great multitude that no one could number, from every nation, from all tribes and peoples and languages, standing before the throne and before the Lamb, clothed in white robes, with palm branches in their hands, and crying out with a loud voice, ‘Salvation belongs to our God who sits on the throne, and to the Lamb’
readRevelation 7:9-10

Pray that many people will receive the gospel and will be part of the great multitude from every nation, tribe, people, and language, clothed in white robes and palm branches, proclaiming salvation belongs to our God.

Fear not, for I am with you; be not dismayed, for I am your God; I will strengthen you, I will help you, I will uphold you with my righteous right hand.
readIsaiah 41:10

Pray that as people place their faith in Christ, they will not fear, for the Lord is with them, and He will strengthen, help, and uphold them with His righteous right hand.

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. But I said to you that you have seen me and yet do not believe."
readJohn 6:35-36

Praise God for the things such as bread that He has provided as natural conversation bridges to the gospel. Pray that believers will use any bridges He provides to share the gospel with those who do not yet know the good news.

Alagwa (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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