Republic of the Congo

Country in Africa

In brief

Aged 0–14: 39.9% (2025). World rank 26 of 216; in Africa, 24 of 54. Aged 65 and over: 3.1% (2025). World rank 193 of 216; in Africa, 38 of 54. Children per woman: 4.1 (2024). World rank 23 of 216; in Africa, 21 of 54. From 2015 to 2025: population 5.1M → 6.5M, living in cities 63.1% → 64.1%, and net migration per year -18.2K → -3K.

Population and migration

Population: 6,484,437 2025
Population density: 19 per km² 2025
Population growth per year: +2.4% 2025
Living in cities: 64.1% 2025
Net migration per year: -3K 2025
Born in another country: 6.1% 2024

Age and life expectancy

Aged 0–14: 39.9% 2025
Aged 15–64: 57% 2025
Aged 65 and over: 3.1% 2025
Life expectancy: 66 years 2024
Life expectancy, women: 67.7 years 2024
Life expectancy, men: 64.3 years 2024

Births and deaths

Children per woman: 4.1 2024
Births per 1,000 people: 30.4 2024
Deaths per 1,000 people: 6.2 2024

Society

Languages: French, Kikongo, Lingala
Religions: Catholic 33.1%, other Christian 22.3%, Protestant 21.4%, no religion 11.3%, and other 10.3% (2007)