Major infectious diseases:
degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria, plague, and African trypanosomiasis (sleeping sickness) water contact disease: schistosomiasis animal contact disease: rabies (2008)
Nationality:
noun: Congolese (singular and plural) adjective: Congolese or Congo
Ethnic groups:
over 200 African ethnic groups of which the majority are Bantu; the four largest tribes - Mongo, Luba, Kongo (all Bantu), and the Mangbetu-Azande (Hamitic) make up about 45% of the population
Religions:
Roman Catholic 50%, Protestant 20%, Kimbanguist 10%, Muslim 10%, other (includes syncretic sects and indigenous beliefs) 10%
Languages:
French (official), Lingala (a lingua franca trade language),
Kingwana (a dialect of Kiswahili or Swahili), Kikongo, Tshiluba