Indicator	Value
Total population	6,330,000 peopleUN DESA WPP [2024] 6,333,000 people·World Bank WDI [2024] 6,333,000 people
Median age	18.4 yearsUN DESA WPP [2024]
Life expectancy	65.8–66 yearsWorld Bank WDI [2024] 66 years·UNDP HDI [2023] 65.77 years
Ethnic groups	Kongo (Bakongo) 40.5%, Teke 16.9%, Mbochi 13.1%, foreigner 8.2%, Sangha 5.6%, Mbere/Mbeti/Kele 4.4%, Punu 4.3%, Pygmy 1.6%, Oubanguiens 1.6%, Duma 1.5%, Makaa 1.3%, other and unspecified 1% (2014-15 est.)CIA World Factbook [2025] · 2026 archive
Languages	French (official), French Lingala and Monokutuba (trade languages), many local languages and dialects (of which Kikongo is the most widespread)CIA World Factbook [2025] · 2026 archive
Religions	Roman Catholic 33.1%, Awakening Churches/Christian Revival 22.3%, Protestant 19.9%, Salutiste 2.2%, Muslim 1.6%, Kimbanguist 1.5%, other 8.1%, none 11.3% (2007 est.)CIA World Factbook [2025] · 2026 archive
Urbanization	69.2% of total population (2023)CIA World Factbook [2025] · 2026 archive
Population growth	2.4 %World Bank WDI [2024]
Birth rate	30.4 per 1,000World Bank WDI [2024]
Death rate	6.24 per 1,000World Bank WDI [2024]
Urban population	63.9 %World Bank WDI [2024]
Languages (structured)	Akwa Baka (Cameroon) Beembe Bekwil Bobangi Bomitaba Bomwali Bongili Bwisi Dibole Doondo Fang (Equatorial Guinea) Impfondo Kaamba Kako Kinshasa Lingala Kituba (Congo) Kota (Gabon) Koyo Kunyi Kwa South Laari Latege Likuba Likwala Lobala Loi-Likila Lumbu Mahongwe Mbandja Mbangwe Mbere-Mbamba Mboko Mbosi Mikaya-Bambengangale-Baluma Moi (Congo) Monzombo Mpiemo Mpongmpong Ndasa Ngbaka Ma'bo Ngbaka Minagende Ngom Ngombe-Bangandu Ngundi Ngungwel Njebi Njyem Northwest Gbaya Pol Pomo-Kweso Punu San Salvador Kongo Sango South-Central Koongo Suundi Teke-Eboo-Nzikou Teke-Fuumu Teke-Kukuya Teke-Laali Teke-Tsaayi Teke-Tyee Tiene Tsaangi Vili Wumbvu Yaka (Central African Republic) Yaka (Congo) Yambe Yombe Glottolog [2026]