Republic of the Congo
- Capital:
- Brazzaville
- Continent:
- Africa
- Region(s):
- Middle Africa, Sub-Saharan Africa
- Largest Cities:
- Brazzaville, Pointe-Noire, Dolisie
- Abbreviation:
- COG
6,637,785
As of Jan 1, 2026 - Source
6,637,785
As of Jan 1, 2026 - Source
Republic of the Congo's population is projected to be 19,600,617 by 2097.
Historical
Switch the toggle to see projected data.
| Year ↓ | Population | Change | Pop. Rank |
|---|---|---|---|
| 2026 | 6,637,785 | 2.41% | 112 |
| 2025 | 6,484,437 | 2.42% | 112 |
| 2020 | 5,752,791 | 2.42% | 114 |
| 2019 | 5,616,661 | 2.44% | 116 |
| 2018 | 5,483,118 | 2.47% | 117 |
| 2017 | 5,351,011 | 2.46% | 118 |
| 2015 | 5,097,581 | 2.7% | 119 |
| 2010 | 4,462,290 | 3.84% | 122 |
| 2005 | 3,696,393 | 3.24% | 128 |
| 2000 | 3,151,345 | 2.77% | 132 |
| Year ↑ | Population | Change | Pop. Rank |
|---|---|---|---|
| 2026 | 6,637,785 | 2.41% | 112 |
| 2032 | 7,626,477 | 2.34% | 107 |
| 2037 | 8,524,801 | 2.25% | 104 |
| 2042 | 9,466,760 | 2.12% | 98 |
| 2047 | 10,427,912 | 1.95% | 95 |
| 2052 | 11,394,540 | 1.79% | 93 |
| 2057 | 12,364,401 | 1.65% | 92 |
| 2062 | 13,348,745 | 1.54% | 90 |
| 2067 | 14,340,898 | 1.44% | 89 |
| 2072 | 15,317,711 | 1.33% | 88 |
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2.3M
Brazzaville has a metropolitan area population of 2,323,299, comprising 35%% of Republic of the Congo's total population.
| Rank | City | 2026 Pop. ↓ | % of National Pop. |
|---|---|---|---|
| 1 | Brazzaville | 2,323,299 | 35% |
| 2 | Pointe-Noire | 1,586,239 | 23.9% |
| 3 | Dolisie | 205,241 | 3.09% |
| 4 | Nkayi | 111,640 | 1.68% |
| 5 | Ouesso | 87,248 | 1.31% |
| 6 | Oyo | 73,890 | 1.11% |
| 7 | Betou | 69,202 | 1.04% |
| 8 | Gamboma | 61,173 | 0.92% |
| 9 | Owando | 55,217 | 0.83% |
| 10 | Madingou | 48,383 | 0.73% |
As of 2026, Republic of the Congo has a total population of 6,637,785, ranking as the 112th most populous nation in the world.
Republic of the Congo has a net population change of approximately 423 people per day, driven by 544 births, 112 deaths, and net emigration of 9 people.
Republic of the Congo represents 0.08% of the total global population and 0.42% of Africa's population.
Republic of the Congo has a population density of 19.4 people per km² (approximately 50.3 per mi²), making it the 199th most densely populated country in the world.
Currently, 79.88% of the population resides in urban areas, a figure that is increasing annually.
*Rates last updated: June 16, 2026
As of 2026, the largest ethnicity in Republic of the Congo is Kongo (40.5%) , followed by Teke (16.9%) .
As of 2026, Roman Catholic is the largest religion in Republic of the Congo, comprising 33.1% of the population.