The latest officially reported population of Sierra Leone was 8,642,022 in 2024 vs 341,784,857 people in the United States in 2025. In 2026, based on the adjusted UN estimation, the current Sierra Leone's population is 9,049,533 people compared to 344,023,146 in the United States.
Population statistics:
- The United States' population is 38 times bigger than Sierra Leone's.
- Sierra Leone is ranked the 101st most populous country in the world, while the United States is the 3rd.
- The countries together account for 4.26% of the world: 0.11% for Sierra Leone vs 4.15% for the United States.
- For the last 10 years, Sierra Leone has had an average growth rate of +2.32% per year vs +0.65% in the United States.
- Since 2006, the population of Sierra Leone has increased from 5.62M people to 9.05M (60.9% growth), while the United States has grown from 298M to 344M (15.3% growth).
Sierra Leone vs United States: population by year and forecast
| Year | Population | |
|---|---|---|
Sierra Leone
|
United States
|
|
| 2100 | 16,111,324 | 415,429,771 |
| 2099 | 16,126,181 | 414,829,167 |
| 2098 | 16,139,280 | 414,231,720 |
| 2097 | 16,154,153 | 413,576,381 |
| 2096 | 16,164,923 | 412,927,393 |
| 2095 | 16,173,557 | 412,225,379 |
| 2094 | 16,173,155 | 411,498,749 |
| 2093 | 16,177,864 | 410,785,729 |
| 2092 | 16,175,032 | 410,051,921 |
| 2091 | 16,168,153 | 409,320,183 |
| 2090 | 16,158,415 | 408,613,732 |
| 2089 | 16,146,773 | 407,885,645 |
| 2088 | 16,133,018 | 407,129,733 |
| 2087 | 16,116,823 | 406,421,298 |
| 2086 | 16,089,780 | 405,715,343 |
| 2085 | 16,068,438 | 405,059,379 |
| 2084 | 16,044,782 | 404,343,130 |
| 2083 | 16,011,134 | 403,612,785 |
| 2082 | 15,975,073 | 402,871,293 |
| 2081 | 15,935,071 | 402,054,554 |
| 2080 | 15,896,846 | 401,319,194 |
| 2079 | 15,854,898 | 400,554,914 |
| 2078 | 15,805,607 | 399,737,968 |
| 2077 | 15,754,551 | 398,906,565 |
| 2076 | 15,699,439 | 398,035,750 |
| 2075 | 15,639,458 | 397,109,170 |
| 2074 | 15,584,377 | 396,226,412 |
| 2073 | 15,516,736 | 395,307,725 |
| 2072 | 15,446,543 | 394,393,561 |
| 2071 | 15,374,790 | 393,415,363 |
| 2070 | 15,297,449 | 392,469,727 |
| 2069 | 15,216,666 | 391,479,981 |
| 2068 | 15,128,048 | 390,517,695 |
| 2067 | 15,032,144 | 389,543,856 |
| 2066 | 14,935,222 | 388,597,719 |
| 2065 | 14,837,697 | 387,685,327 |
| 2064 | 14,740,749 | 386,805,026 |
| 2063 | 14,642,031 | 385,911,917 |
| 2062 | 14,529,557 | 385,032,627 |
| 2061 | 14,423,861 | 384,170,837 |
| 2060 | 14,311,215 | 383,361,269 |
| 2059 | 14,198,706 | 382,542,030 |
| 2058 | 14,080,827 | 381,704,804 |
| 2057 | 13,960,869 | 380,907,023 |
| 2056 | 13,836,132 | 380,159,777 |
| 2055 | 13,706,113 | 379,430,756 |
| 2054 | 13,579,802 | 378,682,851 |
| 2053 | 13,444,465 | 377,878,421 |
| 2052 | 13,303,409 | 377,073,303 |
| 2051 | 13,156,370 | 376,229,840 |
| 2050 | 13,010,109 | 375,373,155 |
| 2049 | 12,867,021 | 374,493,150 |
| 2048 | 12,716,015 | 373,590,762 |
| 2047 | 12,570,250 | 372,626,259 |
| 2046 | 12,414,307 | 371,644,809 |
| 2045 | 12,257,874 | 370,602,914 |
| 2044 | 12,092,075 | 369,518,897 |
| 2043 | 11,931,531 | 368,375,680 |
| 2042 | 11,770,467 | 367,158,772 |
| 2041 | 11,602,993 | 365,937,822 |
| 2040 | 11,431,337 | 364,671,837 |
| 2039 | 11,262,807 | 363,367,337 |
| 2038 | 11,100,099 | 361,997,023 |
| 2037 | 10,931,629 | 360,606,236 |
| 2036 | 10,760,758 | 359,193,245 |
| 2035 | 10,585,702 | 357,750,686 |
| 2034 | 10,413,826 | 356,266,726 |
| 2033 | 10,241,196 | 354,775,032 |
| 2032 | 10,062,575 | 353,259,037 |
| 2031 | 9,883,708 | 351,721,511 |
| 2030 | 9,708,038 | 350,155,042 |
| 2029 | 9,532,000 | 348,564,667 |
| 2028 | 9,360,873 | 346,906,294 |
| 2027 | 9,179,702 | 345,257,605 |
| 2026 | 9,001,269 | 343,565,426 |
| 2025 | 8,822,114 | 341,784,857 |
| 2024 | 8,642,022 | 340,110,988 |
| 2023 | 8,460,512 | 334,914,895 |
| 2022 | 8,276,807 | 333,271,411 |
| 2021 | 8,094,602 | 331,893,745 |
| 2020 | 7,912,558 | 331,526,933 |
| 2019 | 7,731,991 | 328,329,953 |
| 2018 | 7,554,563 | 326,838,199 |
| 2017 | 7,379,299 | 325,122,128 |
| 2016 | 7,205,328 | 323,071,755 |
| 2015 | 7,037,655 | 320,738,994 |
| 2014 | 6,876,385 | 318,386,329 |
| 2013 | 6,714,051 | 316,059,947 |
| 2012 | 6,551,080 | 313,877,662 |
| 2011 | 6,387,251 | 311,583,481 |
| 2010 | 6,222,714 | 309,327,143 |
| 2009 | 6,055,646 | 306,771,529 |
| 2008 | 5,894,722 | 304,093,966 |
| 2007 | 5,749,352 | 301,231,207 |
| 2006 | 5,624,466 | 298,379,912 |
| 2005 | 5,501,712 | 295,516,599 |
| 2004 | 5,355,717 | 292,805,298 |
| 2003 | 5,177,687 | 290,107,933 |
| 2002 | 4,971,435 | 287,625,193 |
| 2001 | 4,692,716 | 284,968,955 |
| 2000 | 4,423,611 | 282,162,411 |
| 1999 | 4,318,043 | 279,294,713 |
| 1998 | 4,295,785 | 276,115,288 |
| 1997 | 4,253,716 | 272,911,760 |
| 1996 | 4,199,210 | 269,667,391 |
| 1995 | 4,179,179 | 266,557,091 |
| 1994 | 4,173,105 | 263,435,673 |
| 1993 | 4,157,130 | 260,255,352 |
| 1992 | 4,166,366 | 256,894,189 |
| 1991 | 4,246,267 | 253,492,503 |
| 1990 | 4,196,828 | 250,131,894 |
| 1989 | 4,034,037 | 246,819,222 |
| 1988 | 3,934,517 | 244,499,004 |
| 1987 | 3,829,718 | 242,288,936 |
| 1986 | 3,728,380 | 240,132,831 |
| 1985 | 3,638,438 | 237,923,734 |
| 1984 | 3,558,758 | 235,824,908 |
| 1983 | 3,481,646 | 233,792,014 |
| 1982 | 3,408,183 | 231,664,432 |
| 1981 | 3,338,940 | 229,465,744 |
| 1980 | 3,272,089 | 226,542,250 |
| 1979 | 3,207,499 | 225,055,487 |
| 1978 | 3,145,517 | 222,584,545 |
| 1977 | 3,085,354 | 220,239,425 |
| 1976 | 3,028,820 | 218,035,164 |
| 1975 | 2,974,657 | 215,973,199 |
| 1974 | 2,920,459 | 213,853,928 |
| 1973 | 2,866,955 | 211,908,788 |
| 1972 | 2,814,388 | 209,896,021 |
| 1971 | 2,763,222 | 207,660,677 |
| 1970 | 2,712,286 | 205,052,174 |
| 1969 | 2,661,365 | 202,676,946 |
| 1968 | 2,611,532 | 200,706,052 |
| 1967 | 2,562,384 | 198,712,056 |
| 1966 | 2,514,638 | 196,560,338 |
| 1965 | 2,468,666 | 194,302,963 |
| 1964 | 2,424,390 | 191,888,791 |
| 1963 | 2,382,258 | 189,241,798 |
| 1962 | 2,342,242 | 186,537,737 |
| 1961 | 2,304,227 | 183,691,481 |
| 1960 | 2,268,356 | 180,671,158 |
Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); U.S. Census Bureau (1960–2025, retrieved 2026-02-08); World Bank | Health (1960–2024, retrieved 2026-04-06).
GeoRank.org/population/sierra-leone/united-states | CC BY 
From 2006 to 2016, the population of Sierra Leone increased by 1,580,862 people (a 28.1% growth), while the United States gained 24,691,843 people (a 8.28% growth).
For the next 10 years, from 2016 to 2026, Sierra Leone gained 1,844,205 people (a 25.6% growth), while the United States' population increased by 20,951,391 people (a 6.49% growth).
Sierra Leone was ranked 106th most populous country in 2006 and is 101st in 2026. The United States was ranked 3rd in 2006 and still ranked 3rd now.
The UN's World Population Prospects forecasts that in 24 years (in 2050) Sierra Leone's population will grow by 43.8% to 13,010,109 people with a rank change from 101st to 91st. The population of the United States will increase by 9.11% to 375,373,155 people and will still be ranked 3rd.
Sierra Leone is projected to reach its peak in 2093 at 16.2M people compared to the peak of 415M people in 2100 for the United States.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Sierra Leone
|
United States
|
|
| 2100 | -0.09% | 0.14% |
| 2099 | -0.08% | 0.14% |
| 2098 | -0.09% | 0.16% |
| 2097 | -0.07% | 0.16% |
| 2096 | -0.05% | 0.17% |
| 2095 | 0.002% | 0.18% |
| 2094 | -0.03% | 0.17% |
| 2093 | 0.02% | 0.18% |
| 2092 | 0.04% | 0.18% |
| 2091 | 0.06% | 0.17% |
| 2090 | 0.07% | 0.18% |
| 2089 | 0.09% | 0.19% |
| 2088 | 0.1% | 0.17% |
| 2087 | 0.17% | 0.17% |
| 2086 | 0.13% | 0.16% |
| 2085 | 0.15% | 0.18% |
| 2084 | 0.21% | 0.18% |
| 2083 | 0.23% | 0.18% |
| 2082 | 0.25% | 0.2% |
| 2081 | 0.24% | 0.18% |
| 2080 | 0.26% | 0.19% |
| 2079 | 0.31% | 0.2% |
| 2078 | 0.32% | 0.21% |
| 2077 | 0.35% | 0.22% |
| 2076 | 0.38% | 0.23% |
| 2075 | 0.35% | 0.22% |
| 2074 | 0.44% | 0.23% |
| 2073 | 0.45% | 0.23% |
| 2072 | 0.47% | 0.25% |
| 2071 | 0.51% | 0.24% |
| 2070 | 0.53% | 0.25% |
| 2069 | 0.59% | 0.25% |
| 2068 | 0.64% | 0.25% |
| 2067 | 0.65% | 0.24% |
| 2066 | 0.66% | 0.24% |
| 2065 | 0.66% | 0.23% |
| 2064 | 0.67% | 0.23% |
| 2063 | 0.77% | 0.23% |
| 2062 | 0.73% | 0.22% |
| 2061 | 0.79% | 0.21% |
| 2060 | 0.79% | 0.21% |
| 2059 | 0.84% | 0.22% |
| 2058 | 0.86% | 0.21% |
| 2057 | 0.9% | 0.2% |
| 2056 | 0.95% | 0.19% |
| 2055 | 0.93% | 0.2% |
| 2054 | 1.01% | 0.21% |
| 2053 | 1.06% | 0.21% |
| 2052 | 1.12% | 0.22% |
| 2051 | 1.12% | 0.23% |
| 2050 | 1.11% | 0.23% |
| 2049 | 1.19% | 0.24% |
| 2048 | 1.16% | 0.26% |
| 2047 | 1.26% | 0.26% |
| 2046 | 1.28% | 0.28% |
| 2045 | 1.37% | 0.29% |
| 2044 | 1.35% | 0.31% |
| 2043 | 1.37% | 0.33% |
| 2042 | 1.44% | 0.33% |
| 2041 | 1.5% | 0.35% |
| 2040 | 1.5% | 0.36% |
| 2039 | 1.47% | 0.38% |
| 2038 | 1.54% | 0.39% |
| 2037 | 1.59% | 0.39% |
| 2036 | 1.65% | 0.4% |
| 2035 | 1.65% | 0.42% |
| 2034 | 1.69% | 0.42% |
| 2033 | 1.78% | 0.43% |
| 2032 | 1.81% | 0.44% |
| 2031 | 1.81% | 0.45% |
| 2030 | 1.85% | 0.46% |
| 2029 | 1.83% | 0.48% |
| 2028 | 1.97% | 0.48% |
| 2027 | 1.98% | 0.49% |
| 2026 | 2.03% | 0.52% |
| 2025 | 2.08% | 0.49% |
| 2024 | 2.15% | 1.55% |
| 2023 | 2.22% | 0.49% |
| 2022 | 2.25% | 0.42% |
| 2021 | 2.3% | 0.11% |
| 2020 | 2.34% | 0.97% |
| 2019 | 2.35% | 0.46% |
| 2018 | 2.38% | 0.53% |
| 2017 | 2.41% | 0.63% |
| 2016 | 2.38% | 0.73% |
| 2015 | 2.35% | 0.74% |
| 2014 | 2.42% | 0.74% |
| 2013 | 2.49% | 0.7% |
| 2012 | 2.56% | 0.74% |
| 2011 | 2.64% | 0.73% |
| 2010 | 2.76% | 0.83% |
| 2009 | 2.73% | 0.88% |
| 2008 | 2.53% | 0.95% |
| 2007 | 2.22% | 0.96% |
| 2006 | 2.23% | 0.97% |
| 2005 | 2.73% | 0.93% |
| 2004 | 3.44% | 0.93% |
| 2003 | 4.15% | 0.86% |
| 2002 | 5.94% | 0.93% |
| 2001 | 6.08% | 0.99% |
| 2000 | 2.44% | 1.03% |
| 1999 | 0.52% | 1.15% |
| 1998 | 0.99% | 1.17% |
| 1997 | 1.3% | 1.2% |
| 1996 | 0.48% | 1.17% |
| 1995 | 0.15% | 1.18% |
| 1994 | 0.38% | 1.22% |
| 1993 | -0.22% | 1.31% |
| 1992 | -1.88% | 1.34% |
| 1991 | 1.18% | 1.34% |
| 1990 | 4.04% | 1.34% |
| 1989 | 2.53% | 0.95% |
| 1988 | 2.74% | 0.91% |
| 1987 | 2.72% | 0.9% |
| 1986 | 2.47% | 0.93% |
| 1985 | 2.24% | 0.89% |
| 1984 | 2.21% | 0.87% |
| 1983 | 2.16% | 0.92% |
| 1982 | 2.07% | 0.96% |
| 1981 | 2.04% | 1.29% |
| 1980 | 2.01% | 0.66% |
| 1979 | 1.97% | 1.11% |
| 1978 | 1.95% | 1.06% |
| 1977 | 1.87% | 1.01% |
| 1976 | 1.82% | 0.95% |
| 1975 | 1.86% | 0.99% |
| 1974 | 1.87% | 0.92% |
| 1973 | 1.87% | 0.96% |
| 1972 | 1.85% | 1.08% |
| 1971 | 1.88% | 1.27% |
| 1970 | 1.91% | 1.17% |
| 1969 | 1.91% | 0.98% |
| 1968 | 1.92% | 1% |
| 1967 | 1.9% | 1.09% |
| 1966 | 1.86% | 1.16% |
| 1965 | 1.83% | 1.26% |
| 1964 | 1.77% | 1.4% |
| 1963 | 1.71% | 1.45% |
| 1962 | 1.65% | 1.55% |
| 1961 | 1.58% | 1.67% |
| 1960 | - | 1.6% |
Data sources: United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10); U.S. Census Bureau (1960–2025, retrieved 2026-02-08); World Bank | Health (1961–2024, retrieved 2026-04-06).
GeoRank.org/population/sierra-leone/united-states | CC BY
In 2025, the population of Sierra Leone grew by 2.15%, while the United States' population grew by 0.49%.
Live population counters
|
Sierra Leone
|
United States
|
|
|---|---|---|
| Current population |
9049533
|
344023146
|
| Population rank | 101/197 | 3/197 |
| Percent of world population | 0.11% | 4.15% |
| One net population change |
2.9 minutes
|
18.9 seconds
|
| One birth every |
2.03 minutes
|
8.8 seconds
|
| One death every |
7.5 minutes
|
10.2 seconds
|
| Daily growth/decline | +497 | +4,586 |
| Annual growth/decline | +181,510 | +1,673,869 |
| Annual growth/decline rate | +2.15% | +0.49% |
| Population growth rate rank | 47/197 | 134/197 |
| One migration net change every |
46.6 minutes
|
25.7 seconds
|
| Annual migration change | -11,309 | +1,230,663 |
| Net migration rank | 136/196 | 2/196 |
| Foreign-born residents | 49,997 | 52,375,047 |
| Foreign-born residents rank | 151/195 | 1/195 |
| Foreign-born share of population | 0.6% | 15.2% |
| Foreign-born share rank | 174/195 | 41/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Sierra Leone
|
United States
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | -11,309 | - | 1,230,663 |
| 2024 | - | -11,000 | - | 1,286,132 |
| 2023 | 188,788 | -4,000 | 502,372 | 1,322,668 |
| 2022 | 186,625 | -4,000 | 399,926 | 1,319,009 |
| 2021 | 183,326 | -1,544 | 199,137 | 674,787 |
| 2020 | 181,015 | 1,292 | 208,862 | 329,769 |
| 2019 | 181,068 | -2,238 | 887,476 | 1,774,500 |
| 2018 | 178,772 | -2,741 | 955,022 | 1,764,961 |
| 2017 | 173,259 | 1,234 | 1,028,037 | 1,864,738 |
| 2016 | 168,784 | 4,657 | 1,197,627 | 1,889,129 |
| 2015 | 162,275 | -356 | 1,270,126 | 1,722,127 |
| 2014 | 160,137 | 485 | 1,357,281 | 1,672,598 |
| 2013 | 161,265 | 2,773 | 1,322,711 | 1,663,885 |
| 2012 | 160,915 | 988 | 1,411,822 | 1,632,007 |
| 2011 | 158,858 | 6,895 | 1,441,697 | 1,624,033 |
| 2010 | 155,338 | 7,983 | 1,548,182 | 1,594,453 |
| 2009 | 152,669 | 18,145 | 1,717,920 | 1,387,306 |
| 2008 | 149,855 | 1,182 | 1,794,154 | 1,416,841 |
| 2007 | 145,740 | -6,042 | 1,897,757 | 1,371,353 |
| 2006 | 144,127 | -34,052 | 1,849,955 | 1,347,750 |
| 2005 | 137,234 | -1,805 | 1,684,445 | 1,369,224 |
| 2004 | 132,661 | 23,897 | 1,698,271 | 1,313,467 |
| 2003 | 130,312 | 69,185 | 1,653,615 | 1,331,376 |
| 2002 | 126,429 | 86,578 | 1,581,938 | 1,336,518 |
| 2001 | 116,647 | 227,791 | 1,595,826 | 1,312,455 |
| 2000 | 110,754 | 83,013 | 1,664,758 | 1,248,392 |
| 1999 | 102,295 | -84,926 | 1,564,050 | 1,156,311 |
| 1998 | 103,906 | -76,766 | 1,573,857 | 1,225,134 |
| 1997 | 105,433 | -48,437 | 1,501,014 | 1,116,922 |
| 1996 | 104,140 | -52,110 | 1,510,137 | 1,141,648 |
| 1995 | 100,885 | -112,857 | 1,546,031 | 1,173,016 |
| 1994 | 101,486 | -77,371 | 1,633,302 | 1,179,309 |
| 1993 | 103,317 | -95,476 | 1,717,685 | 1,228,478 |
| 1992 | 103,251 | -129,565 | 1,875,328 | 1,304,880 |
| 1991 | 105,477 | -238,965 | 1,926,543 | 1,202,426 |
| 1990 | 100,778 | 131,587 | 2,026,068 | 1,084,720 |
| 1989 | 98,298 | -5,079 | 1,875,826 | 400,998 |
| 1988 | 96,344 | 9,470 | 1,735,943 | 460,778 |
| 1987 | 94,235 | 9,558 | 1,720,252 | 480,815 |
| 1986 | 90,902 | 7,992 | 1,656,917 | 493,082 |
| 1985 | 88,869 | -7,873 | 1,689,258 | 598,777 |
| 1984 | 87,072 | -8,708 | 1,627,192 | 622,793 |
| 1983 | 84,628 | -8,783 | 1,636,544 | 662,840 |
| 1982 | 82,457 | -11,379 | 1,714,317 | 600,149 |
| 1981 | 80,111 | -12,699 | 1,652,153 | 583,070 |
| 1980 | 77,932 | -11,641 | 1,608,450 | 595,916 |
| 1979 | 75,992 | -13,095 | 1,597,894 | 503,559 |
| 1978 | 74,130 | -13,073 | 1,402,283 | 556,521 |
| 1977 | 71,663 | -12,399 | 1,431,556 | 577,060 |
| 1976 | 69,506 | -15,686 | 1,264,604 | 635,590 |
| 1975 | 67,560 | -13,058 | 1,252,644 | 655,078 |
| 1974 | 65,357 | -11,473 | 1,218,968 | 706,978 |
| 1973 | 62,443 | -9,322 | 1,165,499 | 783,163 |
| 1972 | 60,279 | -8,267 | 1,301,355 | 833,543 |
| 1971 | 58,484 | -8,162 | 1,640,519 | 833,549 |
| 1970 | 56,513 | -4,957 | 1,824,965 | 744,902 |
| 1969 | 54,768 | -4,485 | 1,702,487 | 523,740 |
| 1968 | 53,126 | -3,743 | 1,565,507 | 594,514 |
| 1967 | 51,734 | -2,819 | 1,669,181 | 585,410 |
| 1966 | 49,486 | -2,911 | 1,749,387 | 637,692 |
| 1965 | 47,223 | -1,851 | 1,943,030 | 644,902 |
| 1964 | 45,487 | -2,308 | 2,245,099 | 618,635 |
| 1963 | 43,569 | -2,480 | 2,289,826 | 639,495 |
| 1962 | 41,603 | -2,658 | 2,406,337 | 625,617 |
| 1961 | 40,022 | -2,947 | 2,571,681 | 580,333 |
| 1960 | 38,192 | -3,528 | 2,565,530 | 422,708 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-04-06); U.S. Census Bureau (1960–2023, retrieved 2026-02-08).
GeoRank.org/population/sierra-leone/united-states | CC BY
Over the last 10 years, 99.6% of the population change in Sierra Leone is from natural causes (a gain of 1,764,049 people) and 0.41% is from migration (a loss of 7,211 people). In the United States 35.8% is from natural causes (a gain of 8,005,866 people) and 64.2% is from migration (a gain of 14,334,286 people).
As of 2024, 49,997 residents or 0.6% of the population were not native-born in Sierra Leone, compared to 52,375,047 people or 15.2% in the United States.
Biggest cities by population
|
Sierra Leone
|
|
|---|---|
| City | Population |
| Freetown | 951K |
| Bo | 234K |
| Kenema | 188K |
|
United States
|
|
|---|---|
| City | Population |
| New York | 8.8M |
| Los Angeles | 3.9M |
| Chicago | 2.75M |
| Houston | 2.3M |
| Phoenix | 1.61M |
| Philadelphia | 1.6M |
| San Antonio | 1.43M |
| San Diego | 1.39M |
| Dallas | 1.3M |
| San Jose | 1.01M |
Compare countries by 7 more topics
Population differences between Sierra Leone and the United States
|
Sierra Leone
|
United States
|
|
|---|---|---|
| Life expectancy | 62.3 years | 79.8 years |
| Average age | 24.4 years | 40.2 years |
| Median age | 20.5 years | 39.3 years |
| Male:Female ratio | 49.9:50.1 | 50.2:49.8 |
| Fertility rate | 3.79 births per woman | 1.62 births per woman |
| Population density | 323 ppl/mi² | 97.3 ppl/mi² |
Population map with other countries
Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (1960–2026, retrieved 2026-03-10); U.S. Census Bureau (1960–2025, retrieved 2026-02-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20).
GeoRank.org/population/sierra-leone/united-states | CC BY
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Data sources:
- World Bank | Health (1960–2025, retrieved 2026-04-06)
- United Nations | World Population Prospects (1960–2100, retrieved 2026-03-10)
- U.S. Census Bureau (1960–2025, retrieved 2026-02-08)
- Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
- Wikidata (2026, retrieved 2026-02-08)
Creative Commons Attribution (CC BY) — you’re free to copy, share, remix, adapt, and use even commercially as long as you give appropriate credit and clearly indicate if you made changes. Other sources may be subject to different license terms.