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PEOPLE GROUP PROFILE

The Matumbi of Tanzania

The Matumbi of Tanzania, numbering approximately 375,000 people, are Engaged yet Unreached. They are an ethnolinguistic community of Tanzania. They mostly adhere to Sunni Islam and Matumbi is their primary language.

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

Fast Facts:

Affinity Group: Sub-Saharan African Peoples
Country: Tanzania
People Cluster: Bantu, Central-Tanzania
Primary Language(s): Matumbi (mgw)
Primary Religion(s): Sunni Islam
Population: 375,000
Strategic Progress Index (SPI): Engaged yet Unreached
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Recent CP Activity
People Group ID: PG014986
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Pray for the Matumbi 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: Sunni Islam
Religious Affiliation: Islam

78%
%
Sunni Islam Adherents

Dig Deeper (Language):

Primary Language: Matumbi
Language Family: Atlantic-Congo

100%
%
Matumbi Speakers

Media Resources in Matumbi:

Films:
TitleLink
JESUSView Film

1 film

Provided by the Jesus Film Project

View all resources

Bible Resources in Matumbi:

No Bible resources are listed for this language.

Provided by Faith Comes by Hearing

Or check out the Matumbi bible at Bible.com

Linked from YouVersion

View all resources

SPI: Unreached yet Engaged

The Matumbi 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 Matumbi:
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

Pray specifically for the Matumbi of Tanzania

The LORD has heard my plea; the LORD accepts my prayer.
readPsalm 6:9

Pray that lost people will hear the gospel and place their faith in Christ, knowing that He hears their plea and accepts their prayer.

For my eyes have seen your salvation that you have prepared in the presence of all peoples.
readLuke 2:30

Pray that the lost will see the salvation of God, and that they will trust in Jesus Christ as their Savior and Lord.

For you had compassion on those in prison, and you joyfully accepted the plundering of your property, since you knew that you yourselves had a better possession and an abiding one.
readHebrews 10:34

Pray that as people place their faith in Christ, they will have compassion for those in prison, sympathize with those who are mistreated, and continue to do good and share the gospel with others.

Therefore, confess your sins to one another and pray for one another, that you may be healed. The prayer of a righteous person has great power as it is working.
readJames 5:16

Pray that believers whom God sends will confess their sins, pray for one another, and live in unity. Ask that they will model healthy Christian relationships for this people group.

Matumbi Across Countries (ROP3 - 106409) reported in the following countries:

Strategic Progress Index
All

1 people group

PhotoPeople Group IDNameCountryPopulation ▼Strategic Progress IndexLanguageReligion
MatumbiPG014986MatumbiTanzania375,000Engaged yet UnreachedMatumbiSunni 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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