The population of Congo is expected to grow by 161,000 in 2025 and reach 6,620,000 in 2026. Migration (including immigration and emigration) decreases population by 1,001 people yearly. On average there are 203,610 births and 39,679 deaths in Congo per year. Rate of natural increase is approximately 2.54 percent per year. The population density of Congo has changed from 5.4 in 1980 to 18.0 in 2023.
| Current population | 6,542,247 people at present (Saturday 12th of July 2025) | |
| Median Age | 24.3 years |
| Life expectancy | 68.0 years | |
| Population density | 18.9 per km2 |
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2025 | 6,455,000 | 161,000 (2.5%) | -1,001 | 24.3 | 4.15 | 19 | 4,477,000 (69.4%) |
| 2024 | 6,294,000 | 156,000 (2.5%) | -2,000 | 24.2 | 18 | 4,342,000 (69.0%) | |
| 2023 | 6,138,000 | 154,000 (2.5%) | -2,000 | 24.1 | 18 | 4,210,000 (68.6%) | |
| 2022 | 5,984,000 | 150,000 (2.5%) | -2,000 | 24.0 | 18 | 4,082,000 (68.2%) | |
| 2021 | 5,834,000 | 147,000 (2.5%) | -2,000 | 23.9 | 17 | 3,957,000 (67.8%) | |
| 2020 | 5,687,000 | 145,000 (2.6%) | -2,000 | 23.8 | 4.42 | 17 | 3,835,000 (67.4%) |
| 2019 | 0 | 0 (0.0%) | -4,001 | 23.7 | 4.48 | 16 | 3,715,000 (67.0%) |
| 2018 | 0 | 0 (0.0%) | -4,001 | 23.6 | 4.54 | 16 | 3,597,000 (66.6%) |
| 2017 | 0 | 0 (0.0%) | -4,001 | 23.5 | 4.60 | 15 | 3,483,000 (66.2%) |
| 2016 | 0 | 0 (0.0%) | -4,001 | 23.4 | 4.66 | 15 | 3,372,688 (65.8%) |
| 2015 | 4,995,648 | 124,547 (2.5%) | -4,001 | 23.4 | 4.72 | 15 | 3,266,155 (65.4%) |
| 2010 | 4,386,693 | 132,981 (3.0%) | -12,000 | 23.3 | 4.95 | 13 | 2,773,618 (63.2%) |
| 2005 | 3,718,243 | 112,804 (3.0%) | 19,173 | 23.1 | 5.04 | 11 | 2,267,682 (61.0%) |
| 2000 | 3,225,727 | 89,383 (2.8%) | 9,935 | 23.1 | 5.10 | 9 | 1,893,340 (58.7%) |
| 1995 | 2,799,255 | 76,758 (2.7%) | 9,860 | 23.0 | 5.14 | 8 | 1,579,144 (56.4%) |
| 1990 | 2,440,457 | 65,449 (2.7%) | 4,506 | 22.9 | 5.35 | 7 | 1,325,754 (54.3%) |
| 1985 | 2,127,770 | 59,638 (2.8%) | 400 | 22.7 | 5.77 | 6 | 1,111,143 (52.2%) |
| 1980 | 1,839,935 | 52,806 (2.9%) | 420 | 22.8 | 6.21 | 5 | 880,538 (47.9%) |
| 1975 | 1,590,039 | 47,349 (3.0%) | -1,481 | 23.1 | 6.39 | 5 | 687,914 (43.3%) |
| 1970 | 1,364,812 | 39,665 (2.9%) | 1,389 | 23.5 | 6.29 | 4 | 534,037 (39.1%) |
| 1965 | 1,184,316 | 31,904 (2.7%) | 100 | 23.8 | 6.09 | 3 | 417,744 (35.3%) |
| 1960 | 1,037,220 | 26,891 (2.5%) | 24.1 | 5.88 | 3 | 327,772 (31.6%) |
In 2024 the population of Congo was 6,294,000 and the average age increased from 24.1 in 1960 to 24.2. Urban population has increased from 1,893,340 (58.7%) in 2000 to 4,477,000 (69.4%) in the current year. The population density of Congo has changed from 5.4 in 1980 to 18.0 in 2023.
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2020 | 0 | 0 (0.0%) | -2,000 | 23.8 | 4.42 | 17 | 3,835,000 (67.4%) |
| 2025 | 6,455,000 | 161,000 (2.5%) | -1,001 | 24.3 | 4.15 | 19 | 4,477,000 (69.4%) |
| 2030 | 7,319,000 | 181,000 (2.5%) | -1,001 | 24.9 | 3.91 | 21 | 5,206,000 (71.1%) |
| 2035 | 8,277,000 | 198,000 (2.4%) | -1,001 | 25.5 | 3.70 | 24 | 6,022,000 (72.8%) |
| 2040 | 9,309,000 | 211,000 (2.3%) | -1,001 | 26.1 | 3.50 | 27 | 6,917,000 (74.3%) |
| 2045 | 10,389,000 | 219,000 (2.1%) | -1,001 | 26.7 | 3.33 | 30 | 7,875,000 (75.8%) |
| 2050 | 11,510,000 | 228,000 (2.0%) | -1,001 | 27.5 | 3.18 | 34 | 8,889,000 (77.2%) |
The life expectancy at birth should reach 73.9 (71.8 years for male and 76.0 years for females). Population density will go up to 33.7 people per square kilometer.
The demographics of Congo constitutes of 3,227,000 women and 3,229,000 men, which means there are 1,001 men per 1000 women. As far as age distribution goes, 50.8% of population (3,281,722) is 19 or younger, 45.5% of population (2,936,380) is between age 20 and 64 and 3.7% of population (236,899) is over 65.