Indo-European , Germanic, West, North Sea, English. Used in administration, law, education, commerce. Bible portions 1530-1987. Throughout the country but especially in the north. Also in Guinea Bissau and Gambia.
People live in settled and migrant communities.
It is intelligible with Fula Peta of Guinea and with dialects of Guinea, Guinea Bissau, and Senegal. A slightly modified form of Futa Jalon is known as Krio Fula with many loans from Sierra Leone languages. Bible portions 1929-1975. Work in progress. Along the border and a few miles into Sierra Leone.