Congo

All demographic indicators on this page are based on UN mid 2025 estimates unless stated otherwise.

Congo population (live estimate)

Real-time estimate based on UN demographic growth models.

6,484,000

Annual growth: 2.349%.

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Official population estimates

World population
6,484,000
Median age
18.6
Population growth rate (%)
2.349 ▲ Population is growing

This map shows first-level administrative regions (ADM1).

Key Facts

  • Capital: Brazzaville
  • Official language: French
  • Region: Middle Africa
  • Continent: Africa
Languages
Languages and linguistic groups
Religions
Religious composition
Cities
Major cities and urban areas
Administrative divisions
Departments
Population
Population structure and dynamics

Languages

A brief overview of the linguistic situation in the country.

Official language
French
Minority language
3
Working / administrative language
1

The Republic of the Congo uses French as its official language, while Kituba (Munukutuba) and Lingala function as national lingua francas. Numerous Bantu languages are spoken across regions.

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Religions

A brief overview of the religious composition of the country.

Dominant religion
Christianity
Largest share
92.2%
Number of religions
7

Population is concentrated in Brazzaville and Pointe-Noire, with rural regions maintaining Indigenous languages tied to local ethnic groups. Urban environments show widespread use of French and Kituba.

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Cities

A brief overview of the major cities and urban structure of the country.

Largest city
Brazzaville
Number of cities
4

The cities shown here represent major urban centres with populations over 50,000, as defined by the UN Degree of Urbanisation (DEGURBA) methodology. Smaller towns and rural settlements are not included.

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