The population of Benin is expected to grow by 348,000 in 2025 and reach 14,163,000 in 2026. Migration (including immigration and emigration) decreases population by 2,000 people yearly. On average there are 465,004 births and 112,640 deaths in Benin per year. Rate of natural increase is approximately 2.55 percent per year. The population density of Benin has changed from 33.0 in 1980 to 116.3 in 2023.
| Current population | 13,995,214 people at present (Friday 11th of July 2025) | |
| Median Age | 23.7 years |
| Life expectancy | 62.9 years | |
| Population density | 122.5 per km2 |
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2025 | 13,809,000 | 348,000 (2.5%) | -2,000 | 23.7 | 4.39 | 123 | 6,728,000 (48.7%) |
| 2024 | 13,461,000 | 342,000 (2.5%) | -2,000 | 23.5 | 119 | 6,490,000 (48.2%) | |
| 2023 | 13,119,000 | 337,000 (2.6%) | -2,000 | 23.4 | 116 | 6,260,000 (47.7%) | |
| 2022 | 12,782,000 | 332,000 (2.6%) | -2,000 | 23.3 | 113 | 6,036,000 (47.2%) | |
| 2021 | 12,450,000 | 327,000 (2.6%) | -2,000 | 23.2 | 110 | 5,818,000 (46.7%) | |
| 2020 | 12,123,000 | 321,000 (2.7%) | -2,000 | 23.1 | 4.70 | 108 | 5,607,000 (46.3%) |
| 2019 | 0 | 0 (0.0%) | -2,000 | 23.1 | 4.77 | 105 | 5,402,000 (45.8%) |
| 2018 | 0 | 0 (0.0%) | -2,000 | 23.0 | 4.84 | 102 | 5,204,000 (45.3%) |
| 2017 | 0 | 0 (0.0%) | -2,000 | 22.9 | 4.91 | 99 | 5,012,000 (44.8%) |
| 2016 | 0 | 0 (0.0%) | -2,000 | 22.8 | 4.98 | 96 | 4,826,757 (44.4%) |
| 2015 | 10,575,952 | 289,240 (2.7%) | -2,000 | 22.7 | 5.05 | 94 | 4,648,131 (44.0%) |
| 2010 | 9,199,259 | 254,553 (2.8%) | -8,454 | 22.4 | 5.36 | 82 | 3,850,258 (41.9%) |
| 2005 | 7,982,225 | 232,221 (2.9%) | -9,755 | 22.3 | 5.63 | 71 | 3,191,453 (40.0%) |
| 2000 | 6,865,951 | 201,853 (2.9%) | 5,001 | 22.1 | 5.96 | 61 | 2,631,925 (38.3%) |
| 1995 | 5,905,558 | 191,338 (3.2%) | -570 | 22.2 | 6.36 | 52 | 2,170,765 (36.8%) |
| 1990 | 4,978,496 | 158,480 (3.2%) | 13,652 | 22.2 | 6.74 | 44 | 1,716,834 (34.5%) |
| 1985 | 4,278,501 | 121,682 (2.8%) | -1,745 | 22.5 | 6.97 | 38 | 1,317,607 (30.8%) |
| 1980 | 3,717,165 | 98,639 (2.7%) | -2,170 | 23.0 | 7.03 | 33 | 1,016,236 (27.3%) |
| 1975 | 3,265,165 | 77,753 (2.4%) | -3,879 | 23.7 | 6.93 | 29 | 715,202 (21.9%) |
| 1970 | 2,912,340 | 61,679 (2.1%) | -4,969 | 24.3 | 6.75 | 26 | 486,099 (16.7%) |
| 1965 | 2,632,356 | 46,391 (1.8%) | -4,748 | 24.9 | 6.54 | 23 | 329,545 (12.5%) |
| 1960 | 2,431,622 | 34,245 (1.4%) | -4,859 | 25.9 | 6.28 | 22 | 225,533 (9.3%) |
In 2024 the population of Benin was 13,461,000 and the average age decreased from 25.9 in 1960 to 23.5. Urban population has increased from 2,631,925 (38.3%) in 2000 to 6,728,000 (48.7%) in the current year. The population density of Benin has changed from 33.0 in 1980 to 116.3 in 2023.
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2020 | 0 | 0 (0.0%) | -2,000 | 23.1 | 4.70 | 108 | 5,607,000 (46.3%) |
| 2025 | 13,809,000 | 348,000 (2.5%) | -2,000 | 23.7 | 4.39 | 123 | 6,728,000 (48.7%) |
| 2030 | 15,628,000 | 373,000 (2.4%) | -2,000 | 24.2 | 4.10 | 139 | 8,013,000 (51.3%) |
| 2035 | 17,568,000 | 397,000 (2.3%) | -2,000 | 24.9 | 3.85 | 156 | 9,456,000 (53.8%) |
| 2040 | 19,614,000 | 417,000 (2.1%) | -2,000 | 25.6 | 3.62 | 174 | 11,054,000 (56.4%) |
| 2045 | 21,742,000 | 431,000 (2.0%) | -2,000 | 26.3 | 3.42 | 193 | 12,797,000 (58.9%) |
| 2050 | 23,930,000 | 442,000 (1.9%) | -2,000 | 27.1 | 3.25 | 212 | 14,673,000 (61.3%) |
The life expectancy at birth should reach 66.9 (64.8 years for male and 69.1 years for females). Population density will go up to 212.2 people per square kilometer.
The demographics of Benin constitutes of 6,903,000 women and 6,907,000 men, which means there are 1,001 men per 1000 women. As far as age distribution goes, 51.3% of population (7,084,017) is 19 or younger, 45.3% of population (6,255,477) is between age 20 and 64 and 3.4% of population (469,506) is over 65.