The population of Congo is expected to grow by 165,000 in 2026 and reach 6,789,000 in 2027. Migration (including immigration and emigration) decreases population by 1,001 people yearly. The population density of Congo has changed from 5.4 in 1980 to 18.4 in 2024.
| Current population | 6,638,521 people at present (Monday 9th of February 2026) | |
| Median Age | 24.4 years |
| Population density | 19.4 per km2 |
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2026 | 6,620,000 | 165,000 (2.5%) | -1,001 | 24.4 | 19 | 4,616,000 (69.7%) | |
| 2025 | 6,455,000 | 161,000 (2.5%) | -1,001 | 24.3 | 4.15 | 19 | 4,477,000 (69.4%) |
| 2024 | 0 | 0 (0.0%) | -2,000 | 24.2 | 18 | 4,342,000 (69.0%) | |
| 2023 | 0 | 0 (0.0%) | -2,000 | 24.1 | 18 | 4,210,000 (68.6%) | |
| 2022 | 0 | 0 (0.0%) | -2,000 | 24.0 | 18 | 4,082,000 (68.2%) | |
| 2021 | 0 | 0 (0.0%) | -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 2025 the population of Congo was 6,455,000 and the average age increased from 24.1 in 1960 to 24.3. Urban population has increased from 1,893,340 (58.7%) in 2000 to 4,616,000 (69.7%) in the current year. The population density of Congo has changed from 5.4 in 1980 to 18.4 in 2024.
| 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 | 0 | 0 (0.0%) | -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 3,309,000 women and 3,311,000 men, which means there are 1,001 men per 1000 women. As far as age distribution goes, 50.6% of population (3,347,734) is 19 or younger, 45.7% of population (3,026,664) is between age 20 and 64 and 3.7% of population (246,264) is over 65.