| 年份 | 美国 |
| 人口 | 占世界% |
| 2021 | 6.05千万 (60,547,491) | 3.0106% |
| 2020 | 6.14千万 (61,365,324) | 3.0531% |
| 2019 | 6.15千万 (61,515,572) | 3.0683% |
| 2018 | 6.18千万 (61,808,443) | 3.0949% |
| 2017 | 6.20千万 (61,955,025) | 3.1191% |
| 2016 | 6.19千万 (61,946,441) | 3.1393% |
| 2015 | 6.19千万 (61,893,515) | 3.1578% |
| 2014 | 6.18千万 (61,841,435) | 3.1781% |
| 2013 | 6.17千万 (61,748,511) | 3.1990% |
| 2012 | 6.17千万 (61,652,581) | 3.2203% |
| 2011 | 6.15千万 (61,518,437) | 3.2379% |
| 2010 | 6.15千万 (61,453,670) | 3.2553% |
| 2009 | 6.14千万 (61,375,149) | 3.2702% |
| 2008 | 6.12千万 (61,231,479) | 3.2800% |
| 2007 | 6.10千万 (61,045,141) | 3.2842% |
| 2006 | 6.09千万 (60,927,659) | 3.2867% |
| 2005 | 6.09千万 (60,908,696) | 3.2871% |
| 2004 | 6.09千万 (60,949,045) | 3.2863% |
| 2003 | 6.09千万 (60,900,614) | 3.2819% |
| |
| 2002 | 6.08千万 (60,803,782) | 3.2747% |
| 2001 | 6.07千万 (60,656,633) | 3.2651% |
| 2000 | 6.05千万 (60,454,437) | 3.2558% |
| 1999 | 6.01千万 (60,064,778) | 3.2394% |
| 1998 | 5.96千万 (59,555,970) | 3.2191% |
| 1997 | 5.90千万 (59,025,893) | 3.1988% |
| 1996 | 5.85千万 (58,513,303) | 3.1823% |
| 1995 | 5.81千万 (58,055,258) | 3.1741% |
| 1994 | 5.75千万 (57,521,641) | 3.1656% |
| 1993 | 5.68千万 (56,814,635) | 3.1533% |
| 1992 | 5.59千万 (55,899,549) | 3.1350% |
| 1991 | 5.49千万 (54,856,034) | 3.1105% |
| 1990 | 5.38千万 (53,810,350) | 3.0882% |
| 1989 | 5.29千万 (52,924,997) | 3.0774% |
| 1988 | 5.22千万 (52,222,578) | 3.0723% |
| 1987 | 5.17千万 (51,652,800) | 3.0738% |
| 1986 | 5.13千万 (51,329,122) | 3.0888% |
| 1985 | 5.12千万 (51,229,081) | 3.1126% |
| 1984 | 5.12千万 (51,199,375) | 3.1383% |
| 1983 | 5.12千万 (51,162,100) | 3.1622% |
| |
| 1982 | 5.11千万 (51,084,189) | 3.1882% |
| 1981 | 5.10千万 (51,004,169) | 3.2172% |
| 1980 | 5.11千万 (51,063,320) | 3.2482% |
| 1979 | 5.14千万 (51,370,075) | 3.2911% |
| 1978 | 5.18千万 (51,837,177) | 3.3390% |
| 1977 | 5.25千万 (52,481,052) | 3.3991% |
| 1976 | 5.33千万 (53,287,581) | 3.4879% |
| 1975 | 5.42千万 (54,235,740) | 3.6005% |
| 1974 | 5.51千万 (55,140,018) | 3.7164% |
| 1973 | 5.61千万 (56,060,923) | 3.8391% |
| 1972 | 5.70千万 (56,950,543) | 3.9598% |
| 1971 | 5.76千万 (57,624,433) | 4.0707% |
| 1970 | 5.80千万 (57,996,508) | 4.1705% |
| 1969 | 5.83千万 (58,341,800) | 4.2710% |
| 1968 | 5.88千万 (58,766,779) | 4.3845% |
| 1967 | 5.91千万 (59,054,758) | 4.4881% |
| 1966 | 5.95千万 (59,466,631) | 4.6039% |
| 1965 | 5.94千万 (59,419,315) | 4.6986% |
| 1964 | 5.86千万 (58,605,080) | 4.7395% |
| 1963 | 5.79千万 (57,860,035) | 4.7993% |
| 1962 | 5.74千万 (57,353,912) | 4.8860% |
| 1961 | 5.68千万 (56,782,395) | 4.9358% |
| 1960 | 5.57千万 (55,673,877) | 4.9149% |
| 1959 | 5.43千万 (54,332,016) | 4.9840% |