| 年份 | 塞拉利昂 | |
|---|---|---|
| 人口 | 占世界% | |
| 2021 | 4.84百万 (4,839,325) | 0.0945% |
| 2020 | 4.70百万 (4,698,935) | 0.0926% |
| 2019 | 4.56百万 (4,561,198) | 0.0908% |
| 2018 | 4.42百万 (4,424,984) | 0.0889% |
| 2017 | 4.29百万 (4,289,288) | 0.0870% |
| 2016 | 4.15百万 (4,154,955) | 0.0852% |
| 2015 | 4.03百万 (4,025,621) | 0.0834% |
| 2014 | 3.90百万 (3,901,813) | 0.0817% |
| 2013 | 3.78百万 (3,781,016) | 0.0801% |
| 2012 | 3.67百万 (3,665,839) | 0.0786% |
| 2011 | 3.56百万 (3,555,080) | 0.0771% |
| 2010 | 3.45百万 (3,447,195) | 0.0758% |
| 2009 | 3.34百万 (3,341,070) | 0.0745% |
| 2008 | 3.24百万 (3,240,988) | 0.0733% |
| 2007 | 3.15百万 (3,151,821) | 0.0723% |
| 2006 | 3.08百万 (3,076,279) | 0.0717% |
| 2005 | 3.00百万 (3,003,749) | 0.0712% |
| 2004 | 2.92百万 (2,919,746) | 0.0704% |
| 2003 | 2.82百万 (2,820,391) | 0.0692% |
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| 2002 | 2.71百万 (2,707,890) | 0.0676% |
| 2001 | 2.56百万 (2,558,353) | 0.0650% |
| 2000 | 2.41百万 (2,414,592) | 0.0625% |
| 1999 | 2.36百万 (2,359,244) | 0.0622% |
| 1998 | 2.35百万 (2,348,849) | 0.0630% |
| 1997 | 2.33百万 (2,326,781) | 0.0636% |
| 1996 | 2.30百万 (2,297,973) | 0.0640% |
| 1995 | 2.29百万 (2,287,539) | 0.0649% |
| 1994 | 2.28百万 (2,284,531) | 0.0660% |
| 1993 | 2.28百万 (2,276,197) | 0.0669% |
| 1992 | 2.28百万 (2,281,140) | 0.0682% |
| 1991 | 2.32百万 (2,323,470) | 0.0707% |
| 1990 | 2.30百万 (2,296,750) | 0.0712% |
| 1989 | 2.21百万 (2,209,602) | 0.0697% |
| 1988 | 2.16百万 (2,156,542) | 0.0694% |
| 1987 | 2.10百万 (2,101,289) | 0.0690% |
| 1986 | 2.05百万 (2,047,979) | 0.0687% |
| 1985 | 2.00百万 (2,000,667) | 0.0685% |
| 1984 | 1.96百万 (1,958,775) | 0.0686% |
| 1983 | 1.92百万 (1,918,155) | 0.0687% |
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| 1982 | 1.88百万 (1,879,364) | 0.0688% |
| 1981 | 1.84百万 (1,842,886) | 0.0690% |
| 1980 | 1.81百万 (1,807,825) | 0.0693% |
| 1979 | 1.77百万 (1,774,074) | 0.0696% |
| 1978 | 1.74百万 (1,742,076) | 0.0700% |
| 1977 | 1.71百万 (1,711,550) | 0.0704% |
| 1976 | 1.68百万 (1,683,330) | 0.0707% |
| 1975 | 1.66百万 (1,656,850) | 0.0709% |
| 1974 | 1.63百万 (1,630,858) | 0.0712% |
| 1973 | 1.61百万 (1,605,396) | 0.0715% |
| 1972 | 1.58百万 (1,580,500) | 0.0719% |
| 1971 | 1.56百万 (1,556,692) | 0.0724% |
| 1970 | 1.53百万 (1,533,359) | 0.0729% |
| 1969 | 1.51百万 (1,510,440) | 0.0734% |
| 1968 | 1.49百万 (1,488,600) | 0.0739% |
| 1967 | 1.47百万 (1,467,337) | 0.0744% |
| 1966 | 1.45百万 (1,446,652) | 0.0749% |
| 1965 | 1.43百万 (1,426,569) | 0.0754% |
| 1964 | 1.41百万 (1,408,294) | 0.0758% |
| 1963 | 1.39百万 (1,390,618) | 0.0762% |
| 1962 | 1.37百万 (1,370,004) | 0.0763% |
| 1961 | 1.35百万 (1,348,032) | 0.0763% |
| 1960 | 1.33百万 (1,326,889) | 0.0760% |
| 1959 | 1.32百万 (1,315,500) | 0.0764% |