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PEOPLE GROUP PROFILE

The Ndamba of Tanzania

The Ndamba of Tanzania, numbering approximately 321,000 people, are Engaged yet Unreached. They are an ethnolinguistic community of Tanzania. They are an Indigenous people in the Bantu, Central-Tanzania people cluster of the Sub-Saharan African Peoples affinity bloc. Their primary language is Ndamba and their primary religion is Roman Catholicism.

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

Fast Facts:

Affinity Group: Sub-Saharan African Peoples
Country: Tanzania
People Cluster: Bantu, Central-Tanzania
Primary Language(s): Ndamba (ndj)
Primary Religion(s): Roman Catholicism
Population: 321,000
Strategic Progress Index (SPI): Engaged yet Unreached
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Recent CP Activity
People Group ID: PG015000
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Pray for the Ndamba 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

85%
%
Roman Catholicism Adherents

Dig Deeper (Language):

Primary Language: Ndamba
Language Family: Atlantic-Congo

70%
%
Ndamba Speakers

Media Resources in Ndamba:

Films:

Provided by the Jesus Film Project

View all resources

Bible Resources in Ndamba:

Provided by Faith Comes by Hearing

Or check out the Ndamba 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: 1), 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% to 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 Ndamba:
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 Ndamba 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 Ndamba:
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 Ndamba 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 Ndamba:
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 Ndamba of Tanzania

And Jesus came and said to them, “All authority in heaven and on earth has been given to me. Go therefore and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit, teaching them to observe all that I have commanded you. And behold, I am with you always, to the end of the age.”
readMatthew 28:16-20

Pray that those who don't yet know Him will encounter the risen Savior and be transformed by the power of His resurrection, becoming disciples who make disciples.

And when they saw it, they made known the saying that had been told them concerning this child.
readLuke 2:17

Pray that the lost will receive the good news of salvation in God's Son, have hearts eager to share it with others, and that all who hear will respond with wonder and faith!

Hide your face from my sins, and blot out all my iniquities.
readPsalm 51:9

Pray that as people place their faith in Christ, they will have confidence that God has turned His face from their sins and forgiven their iniquities.

Finally, brothers, pray for us, that the word of the Lord may speed ahead and be honored, as happened among you, and that we may be delivered from wicked and evil men. For not all have faith. But the Lord is faithful. He will establish you and guard you against the evil one.
read2 Thessalonians 3:1-3

Pray that the Word of God will spread throughout this people group and be honored. Ask God to establish His people and guard them from the evil one, testifying to this whole people group of His great faithfulness.

Ndamba Across Countries (ROP3 - 107150) 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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