| 年份 | 美国 |
| 人口 | 占世界% |
| 2021 | 3.32亿 (331,893,745) | 4.2074% |
| 2020 | 3.32亿 (331,501,080) | 4.2386% |
| 2019 | 3.28亿 (328,329,953) | 4.2405% |
| 2018 | 3.27亿 (326,838,199) | 4.2658% |
| 2017 | 3.25亿 (325,122,128) | 4.2903% |
| 2016 | 3.23亿 (323,071,755) | 4.3123% |
| 2015 | 3.21亿 (320,738,994) | 4.3314% |
| 2014 | 3.18亿 (318,386,329) | 4.3510% |
| 2013 | 3.16亿 (316,059,947) | 4.3720% |
| 2012 | 3.14亿 (313,877,662) | 4.3955% |
| 2011 | 3.12亿 (311,583,481) | 4.4174% |
| 2010 | 3.09亿 (309,327,143) | 4.4382% |
| 2009 | 3.07亿 (306,771,529) | 4.4553% |
| 2008 | 3.04亿 (304,093,966) | 4.4710% |
| 2007 | 3.01亿 (301,231,207) | 4.4842% |
| 2006 | 2.98亿 (298,379,912) | 4.4971% |
| 2005 | 2.96亿 (295,516,599) | 4.5099% |
| 2004 | 2.93亿 (292,805,298) | 4.5250% |
| 2003 | 2.90亿 (290,107,933) | 4.5405% |
| |
| 2002 | 2.88亿 (287,625,193) | 4.5596% |
| 2001 | 2.85亿 (284,968,955) | 4.5768% |
| 2000 | 2.82亿 (282,162,411) | 4.5922% |
| 1999 | 2.79亿 (279,040,000) | 4.6029% |
| 1998 | 2.76亿 (275,854,000) | 4.6132% |
| 1997 | 2.73亿 (272,657,000) | 4.6244% |
| 1996 | 2.69亿 (269,394,000) | 4.6354% |
| 1995 | 2.66亿 (266,278,000) | 4.6497% |
| 1994 | 2.63亿 (263,126,000) | 4.6636% |
| 1993 | 2.60亿 (259,919,000) | 4.6776% |
| 1992 | 2.57亿 (256,514,000) | 4.6892% |
| 1991 | 2.53亿 (252,981,000) | 4.6999% |
| 1990 | 2.50亿 (249,623,000) | 4.7156% |
| 1989 | 2.47亿 (246,819,000) | 4.7441% |
| 1988 | 2.44亿 (244,499,000) | 4.7814% |
| 1987 | 2.42亿 (242,289,000) | 4.8223% |
| 1986 | 2.40亿 (240,133,000) | 4.8648% |
| 1985 | 2.38亿 (237,924,000) | 4.9055% |
| 1984 | 2.36亿 (235,825,000) | 4.9473% |
| 1983 | 2.34亿 (233,792,000) | 4.9903% |
| |
| 1982 | 2.32亿 (231,664,000) | 5.0331% |
| 1981 | 2.29亿 (229,466,000) | 5.0756% |
| 1980 | 2.27亿 (227,225,000) | 5.1149% |
| 1979 | 2.25亿 (225,055,000) | 5.1549% |
| 1978 | 2.23亿 (222,585,000) | 5.1886% |
| 1977 | 2.20亿 (220,239,000) | 5.2240% |
| 1976 | 2.18亿 (218,035,000) | 5.2625% |
| 1975 | 2.16亿 (215,973,000) | 5.3063% |
| 1974 | 2.14亿 (213,854,000) | 5.3517% |
| 1973 | 2.12亿 (211,909,000) | 5.4057% |
| 1972 | 2.10亿 (209,896,000) | 5.4608% |
| 1971 | 2.08亿 (207,661,000) | 5.5111% |
| 1970 | 2.05亿 (205,052,000) | 5.5565% |
| 1969 | 2.03亿 (202,677,000) | 5.6071% |
| 1968 | 2.01亿 (200,706,000) | 5.6693% |
| 1967 | 1.99亿 (198,712,000) | 5.7291% |
| 1966 | 1.97亿 (196,560,000) | 5.7836% |
| 1965 | 1.94亿 (194,303,000) | 5.8379% |
| 1964 | 1.92亿 (191,889,000) | 5.8852% |
| 1963 | 1.89亿 (189,242,000) | 5.9258% |
| 1962 | 1.87亿 (186,538,000) | 5.9655% |
| 1961 | 1.84亿 (183,691,000) | 5.9785% |
| 1960 | 1.81亿 (180,671,000) | 5.9597% |
| 1959 | 1.78亿 (177,622,013) | 5.9947% |