The population of Sierra Leone is expected to grow by 164,000 in 2020 and reach 8,211,000 in 2021. Migration (including immigration and emigration) decreases population by 6,000 people yearly. On average there are 264,223 births and 95,309 deaths in Sierra Leone per year. Rate of natural increase is approximately 2.10 percent per year. The population density of Sierra Leone has changed from 46.6 in 1980 to 107.0 in 2018.
| Current population | 8,147,197 people at present (Monday 10th of August 2020) | |
| Median Age | 23.0 years |
| Life expectancy | 53.3 years | |
| Population density | 111.5 per km2 |
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2020 | 8,047,000 | 164,000 (2.0%) | -6,000 | 23.0 | 4.08 | 112 | 3,375,000 (41.9%) |
| 2019 | 0 | 0 (0.0%) | -4,200 | 22.9 | 4.17 | 109 | 3,273,000 (41.5%) |
| 2018 | 0 | 0 (0.0%) | -4,200 | 22.8 | 4.27 | 107 | 3,173,000 (41.1%) |
| 2017 | 0 | 0 (0.0%) | -4,200 | 22.6 | 4.37 | 105 | 3,076,000 (40.7%) |
| 2016 | 0 | 0 (0.0%) | -4,200 | 22.5 | 4.46 | 102 | 2,981,996 (40.3%) |
| 2015 | 7,237,025 | 157,863 (2.2%) | -4,200 | 22.4 | 4.56 | 100 | 2,890,613 (39.9%) |
| 2010 | 6,458,720 | 148,460 (2.3%) | -4,200 | 22.0 | 5.20 | 89 | 2,469,879 (38.2%) |
| 2005 | 5,658,379 | 218,684 (3.9%) | 12,000 | 21.8 | 5.86 | 78 | 2,084,547 (36.8%) |
| 2000 | 4,564,297 | 126,494 (2.8%) | 100,000 | 21.8 | 6.32 | 63 | 1,626,076 (35.6%) |
| 1995 | 4,274,819 | -8,802 (-0.2%) | -30,000 | 22.1 | 6.61 | 59 | 1,471,777 (34.4%) |
| 1990 | 4,312,246 | 62,778 (1.5%) | -90,000 | 22.4 | 6.72 | 60 | 1,433,908 (33.3%) |
| 1985 | 3,799,550 | 100,083 (2.6%) | 12,549 | 22.8 | 6.73 | 53 | 1,215,742 (32.0%) |
| 1980 | 3,365,441 | 79,262 (2.4%) | 23.3 | 6.69 | 47 | 1,003,541 (29.8%) | |
| 1975 | 2,993,876 | 66,408 (2.2%) | 23.8 | 6.61 | 41 | 830,172 (27.7%) | |
| 1970 | 2,692,259 | 49,651 (1.8%) | 24.2 | 6.50 | 37 | 645,308 (24.0%) | |
| 1965 | 2,473,294 | 38,090 (1.5%) | 24.3 | 6.34 | 34 | 504,033 (20.4%) | |
| 1960 | 2,297,110 | 32,094 (1.4%) | 24.4 | 6.13 | 32 | 398,595 (17.4%) |
In 2019 the population of Sierra Leone was 7,883,000 and the average age decreased from 24.4 in 1960 to 22.9. Urban population has increased from 1,626,076 (35.6%) in 2000 to 3,375,000 (41.9%) in the current year. The population density of Sierra Leone has changed from 46.6 in 1980 to 107.0 in 2018.
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2020 | 8,047,000 | 164,000 (2.0%) | -6,000 | 23.0 | 4.08 | 112 | 3,375,000 (41.9%) |
| 2025 | 8,874,000 | 167,000 (1.9%) | -6,000 | 23.7 | 3.65 | 123 | 3,924,000 (44.2%) |
| 2030 | 9,720,000 | 170,000 (1.8%) | -6,000 | 24.6 | 3.30 | 135 | 4,543,000 (46.7%) |
| 2035 | 10,568,000 | 170,000 (1.6%) | -6,000 | 25.5 | 3.01 | 146 | 5,218,000 (49.4%) |
| 2040 | 11,403,000 | 165,000 (1.5%) | -6,000 | 26.6 | 2.79 | 158 | 5,931,000 (52.0%) |
| 2045 | 12,209,000 | 158,000 (1.3%) | -6,000 | 27.7 | 2.61 | 169 | 6,671,000 (54.6%) |
| 2050 | 12,972,000 | 149,000 (1.2%) | -6,000 | 28.8 | 2.46 | 180 | 7,425,000 (57.2%) |
Total Sierra Leone population should reach 8,047,000 by 2020 and should increase to 12,972,000 people by year 2050. The life expectancy at birth should reach 62.8 (61.4 years for male and 64.2 years for females). Population density will go up to 179.7 people per square kilometer.
The population growth rate is 2.08% (163,000 residents, including 95,092 deaths). The demographics of Sierra Leone constitutes of 4,059,000 women and 3,988,000 men, which means there are 983 men per 1000 women. As far as age distribution goes, 52.1% of population (4,188,464) is 19 or younger, 45.4% of population (3,654,947) is between age 20 and 64 and 2.5% of population (204,394) is over 65.