Cuba is a multi-ethnic nation, home to people of different ethnic and national backgrounds.Afro-Cubans compose 10.08% to 23.84% of the population. Their origins are mainly Kongo, a Central African people. (However, the dominant tradition in the Afro-Cuban syncretic religion of SanterÃa is Yoruba.Intermarriage between diverse groups is so general as to be the rule.