Population:
5,296,651 (January 2000 est.) 
Ethnic groups:
20 native African tribes 90% (Temne 30%, Mende 30%, other 30%), Creole 10% (descendents of freed Jamaican slaves who were settled in the Freetown area in the late-eighteenth century), refugees from Liberia's recent civil war, small numbers of Europeans, Lebanese, Pakistanis, and Indians 
Religions:
Muslim 60%, indigenous beliefs 30%, Christian 10% 
Languages:
English (official, regular use limited to literate minority), Mende (principal vernacular in the south), Temne (principal vernacular in the north), Krio (English-based Creole, spoken by the descendents of freed Jamaican slaves who were settled in the Freetown area, a lingua franca and a first language for 10% of the population but understood by 95%)

Bishops: 4
Diocesan Priests: 52
Religious Priests: 70
Professed Religious men (not Priests): 38
Professed Religious women: 62
Members of Secular Institute (Men): -
Members of Secular Institute (Women): -
Lay Missionaries: 2
Catechists: 347