The Comorians inhabiting Grande Comore, Anjouan, and Moheli (86% of the population) share African-Arab origins. Islam is the dominant religion, and Koranic schools for children reinforce its influence. Although Arab culture is firmly established throughout the archipelago, a substantial minority of the citizens of Mayotte (the Mahorais) are Catholic and have been strongly influenced by French culture.

The most common language is Shikomoro, a Swahili dialect. French and Arabic also are spoken. About 57% of the population is literate.

Nationality: Noun and adjective--Comoran(s).
Population (July 2009 est.): 752,438. Mayotte (1990 est.)--70,000.
Annual growth rate (2009 est.): 2.766%.
Ethnic groups: Antalote, Cafre, Makoa, Oimatsaha, Sakalava.
Religions: Sunni Muslim 98%, Roman Catholic 2%.
Languages: Shikomoro (a Swahili-Arabic blend), Arabic (official), French (official).
Education: Attendance--60% primary, 34% secondary. Literacy--56.5%.
Health: Life expectancy--63.47 yrs. Infant mortality rate--66.57/1,000.
Work force (1996): 144,500. Agriculture--80%.