The Tumma of Sudan

The Tumma of Sudan, numbering approximately 10,000 people, are Engaged yet Unreached. They are a Nuba people, also called Sangali, of South Kordofan's Nuba Mountains, a region once part of the ancient Kingdom of Kush and medieval Alodia that served as a refuge for peoples of many tongues fleeing oppressive governments and slave traders. They mostly adhere to Sunni Islam and Katcha-Kadugli-Miri is their primary language.

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

Fast Facts:

Affinity Group: Sub-Saharan African Peoples
Country: Sudan
People Cluster: Nuba Mountains
Primary Language(s): Katcha-Kadugli-Miri (xtc)
Primary Religion(s): Sunni Islam
Population: 10,000
Strategic Progress Index (SPI): Engaged yet Unreached
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Recent CP Activity
People Group ID: PG012167

Pray for the Tumma of Sudan

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.

Dig Deeper (Religion):

Primary Religion: Sunni Islam
Religious Affiliation: Islam

80%
%
Sunni Islam Adherents

Dig Deeper (Language):

Primary Language: Katcha-Kadugli-Miri
Language Family: Kadugli-Krongo

59%
%
Katcha-Kadugli-Miri Speakers

Media Resources in Katcha-Kadugli-Miri:

Films:
TitleLink
JESUSView Film

1 film

Bible Resources in Katcha-Kadugli-Miri:

No Bible resources are listed for this language.

Or check out the Katcha-Kadugli-Miri bible at Bible.com

Linked from YouVersion

SPI: Unreached yet Engaged

The Tumma 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 Tumma:
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 Tumma of Sudan

For by grace you have been saved through faith. And this is not your own doing; it is the gift of God, not a result of works, so that no one may boast.
readEphesians 2:8-9

Pray that the lost among them will receive the gift of salvation by grace through faith, not by works, and be created for good works.

First of all, then, I urge that supplications, prayers, intercessions, and thanksgivings be made for all people, for kings and all who are in high positions, that we may lead a peaceful and quiet life, godly and dignified in every way.
read1 Timothy 2:1-2

Pray that leaders and those in authority will not thwart the spread of the gospel but put their faith in Christ, have hearts that are soft toward their people, and be freed from the temptations that power can bring.

Not neglecting to meet together, as is the habit of some, but encouraging one another, and all the more as you see the Day drawing near.
readHebrews 10:25

Pray that as people place their faith in Christ, they will not neglect meeting together but encourage one another as they see the Day approaching.

Let them praise his name with dancing, making melody to him with tambourine and lyre!
readPsalm 149:3

Pray that God will send His people across cultures to share the gospel so that those who don't yet know the truth about Him might praise His name and share the hope of Christ with others.

Tumma Across Countries (ROP3 - 110276) reported in the following countries:

Strategic Progress Index
All

1 people group

To download a comprehensive people group list in spreadsheet form, visit our Research Data page.

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