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PEOPLE GROUP PROFILE

The Mangaya Bug of South Sudan

The Mangaya Bug of South Sudan, numbering approximately 850 people, are Engaged yet Unreached. They are described as an indigenous community of South Sudan and can also be known as Bug. They are an Indigenous people, with Mangaya as their ethnic/kinship group and are in the Adamawa-Ubangi people cluster of the Sub-Saharan African Peoples. Their primary religion is Sunni Islam. They primarily speak Gbaya.

Photo by Google. (2026). Image generated by Gemini 2.5 Flash: Bug, Mangaya

Fast Facts:

Affinity Group: Sub-Saharan African Peoples
Country: South Sudan
People Cluster: Adamawa-Ubangi
Primary Language(s): Gbaya (krs)
Primary Religion(s): Sunni Islam
Population: 850
Strategic Progress Index (SPI): Engaged yet Unreached
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Active CP Activity
People Group ID: PG012097
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Pray for the Mangaya Bug of South 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.

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Dig Deeper (Religion):

Primary Religion: Sunni Islam
Religious Affiliation: Islam

70%
%

Dig Deeper (Language):

Primary Language: Gbaya
Language Family: Kresh-Aja

100%
%

Media Resources in Gbaya:

Films:

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Provided by the Jesus Film Project

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Bible Resources in Gbaya:

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Provided by Faith Comes by Hearing

Or check out the Gbaya bible at Bible.com

Linked from YouVersion

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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): Frontier Unreached People Group, (LPI: 0), < 0.1% Evangelical.
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Active 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 Mangaya Bug:
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 Mangaya Bug 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 Mangaya Bug:
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 Mangaya Bug 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 Mangaya Bug:
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 Mangaya Bug of South Sudan

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.

Sing to the LORD, bless his name; tell of his salvation from day to day.
readPsalm 96:2

Pray that gospel resources will reach this generation so that they will receive the good news and sing to the LORD, bless His name, and tell of His salvation each day.

But Jesus called them to him, saying "Let the children come to me, and do not hinder them, for to such belongs the kingdom of God."
readLuke 18:16

Pray that as people place their faith in Christ, they will have a burden to share the hope of Christ with children.

For I am not ashamed of the gospel, for it is the power of God for salvation to everyone who believes, to the Jew first and also to the Greek.
readRomans 1:16

Pray that God will raise up sons and daughters who, like Paul, will be bold to share the gospel across cultural barriers so that many might receive salvation.

Mangaya Across Countries (ROP3 - 106248) 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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