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PEOPLE GROUP PROFILE

The Chagga of Tanzania

The Chagga of Tanzania, numbering approximately 1,190,000 people, are No Longer Unreached. They are an indigenous ethnic group native to the slopes of Mount Kilimanjaro and parts of Mount Meru in northeastern Tanzania. They are an Indigenous people in the Bantu, Central-East people cluster of the Sub-Saharan African Peoples affinity bloc. Their primary language is Swahili and their primary religion is Roman Catholicism.

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

Fast Facts:

Affinity Group: Sub-Saharan African Peoples
Country: Tanzania
People Cluster: Bantu, Central-East
Primary Language(s): Swahili (swh)
Primary Religion(s): Roman Catholicism
Population: 1,190,000
Strategic Progress Index (SPI): No Longer Unreached
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical
People Group ID: PG014916
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Pray for the Chagga 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: Roman Catholicism
Religious Affiliation: Christianity

78%
%
Roman Catholicism Adherents

Dig Deeper (Language):

Primary Language: Swahili
Language Family: Atlantic-Congo

100%
%
Swahili Speakers

Media Resources in Swahili:

Films:

Provided by the Jesus Film Project

View all resources

Bible Resources in Swahili:

Provided by Faith Comes by Hearing

Or check out the Swahili 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: 2), 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): Marginally Reached People Group, (LPI: 4), 3% to 6% Evangelical.
Global Status of Evangelical Christianity (GSEC): 2% or Greater but Less than 5% Evangelical (GSEC: 4), this people group is greater than or equal to 2% evangelical

Next steps for the Chagga:
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 Chagga 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 Chagga:
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 Chagga 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 Chagga:
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 Chagga of Tanzania

For we ourselves were once foolish, disobedient, led astray, slaves to various passions and pleasures, passing our days in malice and envy, hated by others and hating one another.
readTitus 3:3

Pray for those who seek worldly pleasures instead of God to flee from sin and choose God’s goodness and lovingkindness by placing their faith in Jesus.

For the word of God is living and active, sharper than any two-edged sword, piercing to the division of soul and of spirit, of joints and of marrow, and discerning the thoughts and intentions of the heart.
readHebrews 4:12

Pray for God's Word to be accessible to everyone in this people group in a way they will resonate with so that many will engage with it, receive it, and share it with others.

Know therefore that the Lord your God is God, the faithful God who keeps covenant and steadfast love with those who love him and keep his commandments, to a thousand generations.
readDeuteronomy 7:9

Pray that as people place their faith in Christ, they will know God's faithful love and keep His commandments, experiencing His steadfast care.

To the Jews I became as a Jew, in order to win Jews. To those under the law I became as one under the law (though not being myself under the law) that I might win those under the law.
read1 Corinthians 9:20

Pray that believers from similar cultures will be compelled by Christ's love to reach people who don't know the gospel, and that those people will receive the good news with joy.

Chagga Across Countries (ROP3 - 101962) 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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