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People group profile · PG025082

The Tanda Mayo of Guinea

The Tanda Mayo of Guinea, numbering about 2,400 people, are Engaged yet Unreached. They are one of several ethnic groups related to the Tenda (Tanda) in eastern Senegal, Guinea, and Guinea-Bissau.

They are an indigenous people in the Atlantic people cluster of the Sub-Saharan African Peoples. Their primary religion is Folk Islam, and they primarily speak Bassari.

Pray for the Tanda MayoPrint profile

AI-generated illustration representing the Tanda Mayo people
AI-generated illustration, not a photograph. Photo by Google. (2026). Image generated by Gemini 3.1 Flash-Lite: Tanda Mayo

Fast facts

Country
Guinea
Population
2,400
Affinity group
Sub-Saharan African Peoples
People cluster
Atlantic
Primary language
Bassari (bsc)
Primary religion
Folk Islam
Strategic Progress Index
Engaged yet Unreached
Evangelical
Less than 2%
GSEC
Less than 2% Evangelical, No Recent CP Activity
Lostness priority
Expanding Unreached People Group
Region
Western Africa, Africa

Where they live

Gospel status

The Tanda Mayo 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 Tanda Mayo

  • 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

Folk Islam · Islam

80% adherents

Primary language

Bassari · Atlantic-Congo family

100% speak Bassari

Gospel resources in Bassari

  • Bible available
  • JESUS Film available
  • Radio programs not 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 Tanda Mayo

  1. Romans 10:14–15. Ask God to send messengers, so that people can hear, believe and call on the name of the Lord.
  2. Matthew 9:37–38. Ask the Lord of the harvest to send out laborers into his harvest field.
  3. 2 Timothy 2:2. Pray for faithful local leaders who will teach others, so that the church multiplies.
  4. Ephesians 5:8. Pray that those walking in darkness will turn to the light and live as children of light.

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