| 年份 | 美国 |
| 人口 | 占世界% |
| 2021 | 5.54千万 (55,356,211) | 7.2969% |
| 2020 | 5.38千万 (53,780,747) | 7.2959% |
| 2019 | 5.18千万 (51,849,212) | 7.2816% |
| 2018 | 5.03千万 (50,325,557) | 7.3253% |
| 2017 | 4.90千万 (48,983,844) | 7.3910% |
| 2016 | 4.74千万 (47,402,094) | 7.4132% |
| 2015 | 4.60千万 (45,954,694) | 7.4419% |
| 2014 | 4.50千万 (45,005,701) | 7.5390% |
| 2013 | 4.39千万 (43,904,126) | 7.5946% |
| 2012 | 4.26千万 (42,638,513) | 7.6015% |
| 2011 | 4.13千万 (41,347,761) | 7.5789% |
| 2010 | 4.03千万 (40,299,692) | 7.5568% |
| 2009 | 3.94千万 (39,439,341) | 7.5466% |
| 2008 | 3.85千万 (38,531,316) | 7.5213% |
| 2007 | 3.77千万 (37,677,408) | 7.5034% |
| 2006 | 3.71千万 (37,064,967) | 7.5422% |
| 2005 | 3.65千万 (36,526,333) | 7.6086% |
| 2004 | 3.60千万 (36,028,870) | 7.6869% |
| 2003 | 3.56千万 (35,619,261) | 7.7882% |
| |
| 2002 | 3.53千万 (35,341,824) | 7.9275% |
| 2001 | 3.50千万 (35,042,477) | 8.0698% |
| 2000 | 3.48千万 (34,755,721) | 8.2145% |
| 1999 | 3.46千万 (34,590,275) | 8.3823% |
| 1998 | 3.44千万 (34,375,471) | 8.5409% |
| 1997 | 3.41千万 (34,120,304) | 8.6976% |
| 1996 | 3.38千万 (33,809,937) | 8.8446% |
| 1995 | 3.34千万 (33,400,936) | 8.9753% |
| 1994 | 3.28千万 (32,848,593) | 9.0757% |
| 1993 | 3.23千万 (32,301,040) | 9.1809% |
| 1992 | 3.18千万 (31,799,644) | 9.3015% |
| 1991 | 3.12千万 (31,184,733) | 9.3830% |
| 1990 | 3.07千万 (30,664,878) | 9.4842% |
| 1989 | 3.03千万 (30,296,884) | 9.6261% |
| 1988 | 2.97千万 (29,708,566) | 9.6977% |
| 1987 | 2.91千万 (29,073,381) | 9.7387% |
| 1986 | 2.86千万 (28,621,138) | 9.8231% |
| 1985 | 2.81千万 (28,102,304) | 9.8763% |
| 1984 | 2.75千万 (27,503,370) | 9.8756% |
| 1983 | 2.70千万 (27,001,838) | 9.8646% |
| |
| 1982 | 2.66千万 (26,595,157) | 9.8620% |
| 1981 | 2.61千万 (26,116,560) | 9.8380% |
| 1980 | 2.56千万 (25,627,777) | 9.8308% |
| 1979 | 2.51千万 (25,149,864) | 9.8744% |
| 1978 | 2.46千万 (24,570,243) | 9.9184% |
| 1977 | 2.39千万 (23,928,436) | 9.9427% |
| 1976 | 2.32千万 (23,231,530) | 9.9374% |
| 1975 | 2.26千万 (22,559,952) | 9.9349% |
| 1974 | 2.20千万 (21,958,933) | 9.9636% |
| 1973 | 2.14千万 (21,427,820) | 10.0192% |
| 1972 | 2.09千万 (20,938,787) | 10.0831% |
| 1971 | 2.05千万 (20,515,369) | 10.1665% |
| 1970 | 2.01千万 (20,101,763) | 10.2490% |
| 1969 | 1.97千万 (19,738,458) | 10.3443% |
| 1968 | 1.95千万 (19,497,559) | 10.5018% |
| 1967 | 1.92千万 (19,182,094) | 10.6277% |
| 1966 | 1.88千万 (18,828,051) | 10.7331% |
| 1965 | 1.86千万 (18,563,535) | 10.8800% |
| 1964 | 1.83千万 (18,265,103) | 10.9903% |
| 1963 | 1.79千万 (17,886,003) | 11.0293% |
| 1962 | 1.75千万 (17,489,504) | 11.0458% |
| 1961 | 1.71千万 (17,102,576) | 11.0382% |
| 1960 | 1.67千万 (16,676,728) | 10.9477% |
| 1959 | 1.61千万 (16,136,574) | 10.8611% |