Population growth rate: 2.34% (1997 est.)
Birth rate: 47.66 births/1,000 population (1997 est.)
Death rate: 16.61 deaths/1,000 population (1997 est.)
Net migration rate: -7.66 migrant(s)/1,000 population (1997 est.) note: in 1994, about a million refugees fled into Democratic Republic of the Congo, formerly Zaire, to escape the fighting between the Hutus and the Tutsis in Rwanda and Burundi; the outbreak of widespread fighting between rebels and government forces in October 1996 spurred about 720,000 refugees to return to Rwanda in late 1996 and early 1997; additionally, Democratic Republic of the Congo is host to about 100,000 Angolan, and about 100,000 Sudanese refugees
Sex ratio: at birth: 1.03 male(s)/female under 15 years: 1 male(s)/female 15-64 years: 0.95 male(s)/female 65 years and over: 0.76 male(s)/female total population: 0.97 male(s)/female (1997 est.)
Infant mortality rate: 105.7 deaths/1,000 live births (1997 est.)
Life expectancy at birth: total population: 47.03 years male: 45.16 years female: 48.95 years (1997 est.)
Total fertility rate: 6.58 children born/woman (1997 est.)
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