The Republic of the Congo is a secular state and freedom of religion is enshrined in the nation's constitution.
[2] According to the CIA World Factbook, in 2007 the people of the Republic of the Congo were largely a mix of Catholics (33.1%), Awakening/Revival churches (22.3%), Protestants (19.9%), and none (11.3%).
Followers of Islam made up 1.6%, primarily due to an influx of foreign workers into the urban centers.
[4] A small minority practice Kimbanguism, a syncretistic movement that originated in the neighboring Democratic Republic of the Congo.
This is a reality from which the Catholic Church, for example, has not yet fully recovered, operating a lower proportion of schools (10%) than in neighbouring countries.