| 年份 | 萨摩亚  | 
                                                            
|---|---|
| 2023 | - | 
| 2022 | 18.68亿 | 
| 2021 | 19.72亿 | 
| 2020 | 21.23亿 | 
| 2019 | 21.91亿 | 
| 2018 | 20.97亿 | 
| 2017 | 21.1亿 | 
| 2016 | 20.81亿 | 
| 2015 | 19.27亿 | 
| 2014 | 18.56亿 | 
| 2013 | 18.43亿 | 
| 2012 | 18.41亿 | 
| 2011 | 19.13亿 | 
| 2010 | 18.42亿 | 
| 2009 | 17.36亿 | 
| 2008 | 17.45亿 | 
| 2007 | 16.85亿 | 
| 2006 | 16.77亿 | 
| 2005 | 16.42亿 | 
| 2004 | 15.4亿 | 
| 2003 | 14.94亿 | 
| 2002 | 14.2亿 | 
| 2001 | 13.44亿 | 
| 2000 | 12.51亿 | 
| 1999 | 11.91亿 | 
| 1998 | 11.65亿 | 
| 1997 | 11.4亿 | 
| 1996 | 11.33亿 | 
| 1995 | 10.57亿 | 
| 1994 | 9.91亿 | 
| 1993 | 10.17亿 | 
| 1992 | 9.77亿 | 
| 1991 | 9.79亿 | 
| 1990 | 10.02亿 | 
| 1989 | 10.48亿 | 
| 1988 | 10.11亿 | 
| 1987 | 10.25亿 | 
| 1986 | 10.2亿 | 
| 1985 | 9.67亿 | 
| 1984 | 9.31亿 | 
| 1983 | 9.19亿 | 
| 1982 | 9.15亿 | 
| 1981 | - | 
| 1980 | - | 
| 1979 | - | 
| 1978 | - | 
| 1977 | - | 
| 1976 | - | 
| 1975 | - | 
| 1974 | - | 
| 1973 | - | 
| 1972 | - | 
| 1971 | - | 
| 1970 | - | 
| 1969 | - | 
| 1968 | - | 
| 1967 | - | 
| 1966 | - | 
| 1965 | - | 
| 1964 | - | 
| 1963 | - | 
| 1962 | - | 
| 1961 | - | 
| 1960 | - |