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People group profile · PG015047

The Coastal Swahili of Tanzania

The Coastal Swahili of Tanzania, numbering about 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 are an indigenous people in the Bantu, Swahili people cluster of the Sub-Saharan African Peoples. Their primary religion is Sunni Islam, and they primarily speak Swahili (individual language).

Pray for the Coastal SwahiliPrint profile

AI-generated illustration representing the Coastal Swahili people
AI-generated illustration, not a photograph. Photo by Google. (2026). Image generated by Gemini 2.5 Flash: Coastal Swahili

Fast facts

Country
Tanzania
Population
1,095,000
Affinity group
Sub-Saharan African Peoples
People cluster
Bantu, Swahili
Primary language
Swahili (individual language) (swh)
Primary religion
Sunni Islam
Strategic Progress Index
Engaged yet Unreached
Evangelical
Less than 2%
GSEC
Less than 2% Evangelical, No Recent CP Activity
Lostness priority
Frontier Unreached People Group
Region
Eastern Africa, Africa
Location
Lindi, Mtwara, Pemba North, Pemba South, Pwani, Tanga, Unguja North, Unguja South, and Unguja Urban-West regions

Where they live

Gospel status

The Coastal Swahili are Engaged yet Unreached, which means fewer than 2% are evangelical Christians, but there are sustained efforts to establish self-sustaining churches consistent with evangelical faith and practice. In GSEC terms, 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.

  • Congregations exist Yes
  • Church planting in the last two years No Churches Planted

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

Primary religion

Sunni Islam · Islam

99% adherents

Primary language

Swahili (individual language) · Atlantic-Congo family

100% speak Swahili (individual language)

Gospel resources in Swahili (individual language)

  • Bible available, published 2017
  • JESUS Film available
  • Radio programs available
  • Gospel recordings available
  • Audio resources available
  • Bible stories not available

Films

Bibles

Find more at the JESUS Film Project, Bible.com and Faith Comes by Hearing.

Pray for the Coastal Swahili

  1. Revelation 7:9. Pray for the day when people from this group stand before the throne with every nation, tribe, people and language.
  2. John 17:3. Pray that many will come to know the only true God, and Jesus Christ whom he has sent.
  3. Psalm 27:1. Pray that new believers will be strengthened in the face of persecution, with the Lord as their stronghold.
  4. Romans 12:4–5. Pray that believers from many cultures will work together as one body so that the church is built up.

Download a prayer guide

Swahili in other countries

The same people (ROP3 109644) is reported in 16 other countries.

People groupCountryPopulationStatus
Arabized AfricansSaudi Arabia554,000Unengaged and Unreached
SwahiliUnited States82,000No Longer Unreached
Central SwahiliCongo, Democratic Republic of the64,500Unengaged and Unreached
Coastal SwahiliKenya60,000Engaged yet Unreached
Bantu SwahiliSomalia55,000Unengaged and Unreached
SwahiliZambia39,000No Longer Unreached
SwahiliSudan34,000Unengaged and Unreached
Black AfricansUnited Arab Emirates30,500Engaged yet Unreached
SwahiliRwanda20,500Unengaged and Unreached
SwahiliMozambique18,500Engaged yet Unreached
SwahiliBurundi14,500Unengaged and Unreached
SwahiliMayotte10,500Engaged yet Unreached
SwahiliCanada9,300Unengaged and Unreached
SwahiliUganda5,500Unengaged and Unreached
SwahiliComoros1,200Engaged yet Unreached
SwahiliSeychelles600Engaged yet Unreached

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