The Coastal Swahili of Tanzania

The Coastal Swahili of Tanzania, numbering approximately 1,095,000 people, are Engaged yet Unreached. They are a people whose ethnogenesis is a relatively recent phenomenon, and ethnologists have had difficulty describing them. They mostly adhere to Sunni Islam and Swahili (individual language) is their primary language.

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

Fast Facts:

Affinity Group: Sub-Saharan African Peoples
Country: Tanzania
People Cluster: Bantu, Swahili
Primary Language(s): Swahili (individual language) (swh)
Primary Religion(s): Sunni Islam
Population: 1,095,000
Strategic Progress Index (SPI): Engaged yet Unreached
Global Status of Evangelical Christianity (GSEC): Less than 2% Evangelical, No Recent CP Activity
People Group ID: PG015047
View on Joshua Project

Pray for the Coastal Swahili of Tanzania

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Dig Deeper (Religion):

Primary Religion: Sunni Islam
Religious Affiliation: Islam

99%
%
Sunni Islam Adherents

Dig Deeper (Language):

Primary Language: Swahili (individual language)
Language Family: Atlantic-Congo

100%
%
Swahili Speakers

Media Resources in Swahili (individual language):

Films:
TitleLink
JESUSView Film
JESUSView Film
MagdalenaView Film
The SaviorView Film

4 films

Bible Resources in Swahili (individual language):

Bible Name (Translation)VideoAudioText
Habari Njema (Interconfessional)✓✓

1 entry

Or check out the Swahili (individual language) bible at Bible.com

Linked from YouVersion

SPI: Unreached yet Engaged

The Coastal Swahili 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 Coastal Swahili:
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 Coastal Swahili of Tanzania

Be still, and know that I am God. I will be exalted among the nations, I will be exalted in the earth!
readPsalm 46:10

Pray that those who do not yet worship Jesus will be still and know that He is God, that He will be exalted among them and in all the earth.

As for what was sown on good soil, this is the one who hears the word and understands it. He indeed bears fruit and yields, in one case a hundredfold, in another sixty, and in another thirty.
readMatthew 13:23

Pray that their hearts will have good soil that receives the Word, understands it, and bears fruit for God's kingdom.

The LORD is good to those who wait for him, to the soul who seeks him.
readLamentations 3:25

Pray that as people place their faith in Christ, they will trust in the goodness of the Lord as they wait on Him to answer their cries for help.

For the needy shall not always be forgotten, and the hope of the poor shall not perish forever.
readPsalm 9:18

Pray that God will raise up believers who can help meet emotional and physical needs among this people group. Ask Him to open doors for them and give them the courage to walk into difficult situations and share the hope of the gospel boldly.

Swahili Across Countries (ROP3 - 109644) reported in the following countries:

Strategic Progress Index
All

17 people groups

PhotoPeople Group IDNameCountryPopulation ▼Strategic Progress IndexLanguageReligion
Coastal SwahiliCoastal SwahiliTanzania1,095,000Engaged yet UnreachedSwahili (individual language)Sunni Islam
Arabized AfricansArabized AfricansSaudi Arabia555,000Unengaged and UnreachedSwahili (individual language)Sunni Islam
SwahiliSwahiliUnited States82,000No Longer UnreachedSwahili (individual language)Sunni Islam
Central SwahiliCentral SwahiliCongo, Democratic Republic of the64,500Unengaged and UnreachedSwahili (individual language)Sunni Islam
Coastal SwahiliCoastal SwahiliKenya60,000Engaged yet UnreachedSwahili (individual language)Sunni Islam
Bantu SwahiliBantu SwahiliSomalia55,500Unengaged and UnreachedSwahili (individual language)Sunni Islam
SwahiliSwahiliZambia39,500No Longer UnreachedSwahili (individual language)Ethnoreligion
SwahiliSwahiliSudan34,000Unengaged and UnreachedSwahili (individual language)Sunni Islam
Black AfricansBlack AfricansUnited Arab Emirates31,000Engaged yet UnreachedSwahili (individual language)Sunni Islam
SwahiliSwahiliRwanda21,000Unengaged and UnreachedSwahili (individual language)Sunni Islam
SwahiliSwahiliMozambique18,500Engaged yet UnreachedSwahili (individual language)Folk Islam
SwahiliSwahiliBurundi15,000Unengaged and UnreachedSwahili (individual language)Sunni Islam
SwahiliSwahiliMayotte10,500Engaged yet UnreachedSwahili (individual language)Sunni Islam
SwahiliSwahiliCanada9,300Unengaged and UnreachedSwahili (individual language)Sunni Islam
SwahiliSwahiliUganda5,600Unengaged and UnreachedSwahili (individual language)Sunni Islam
SwahiliSwahiliComoros1,200Engaged yet UnreachedSwahili (individual language)Sunni Islam
SwahiliSwahiliSeychelles600Engaged yet UnreachedSwahili (individual language)Sunni 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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