| 年份 | 美国 |
| 人口 | 占世界% |
| 2021 | 2.16亿 (215,990,043) | 4.2197% |
| 2020 | 2.16亿 (216,355,010) | 4.2641% |
| 2019 | 2.15亿 (214,965,169) | 4.2773% |
| 2018 | 2.15亿 (214,704,199) | 4.3134% |
| 2017 | 2.14亿 (214,183,259) | 4.3453% |
| 2016 | 2.14亿 (213,723,220) | 4.3803% |
| 2015 | 2.13亿 (212,890,784) | 4.4101% |
| 2014 | 2.12亿 (211,539,193) | 4.4304% |
| 2013 | 2.10亿 (210,407,309) | 4.4570% |
| 2012 | 2.10亿 (209,586,568) | 4.4923% |
| 2011 | 2.09亿 (208,717,283) | 4.5294% |
| 2010 | 2.08亿 (207,573,780) | 4.5635% |
| 2009 | 2.06亿 (205,957,039) | 4.5910% |
| 2008 | 2.04亿 (204,331,171) | 4.6205% |
| 2007 | 2.03亿 (202,508,658) | 4.6482% |
| 2006 | 2.00亿 (200,387,285) | 4.6713% |
| 2005 | 1.98亿 (198,081,570) | 4.6944% |
| 2004 | 1.96亿 (195,827,384) | 4.7216% |
| 2003 | 1.94亿 (193,588,057) | 4.7490% |
| |
| 2002 | 1.91亿 (191,479,586) | 4.7804% |
| 2001 | 1.89亿 (189,269,845) | 4.8107% |
| 2000 | 1.87亿 (186,952,253) | 4.8378% |
| 1999 | 1.84亿 (184,384,947) | 4.8581% |
| 1998 | 1.82亿 (181,922,559) | 4.8810% |
| 1997 | 1.80亿 (179,510,803) | 4.9066% |
| 1996 | 1.77亿 (177,070,760) | 4.9315% |
| 1995 | 1.75亿 (174,821,805) | 4.9586% |
| 1994 | 1.73亿 (172,755,766) | 4.9885% |
| 1993 | 1.71亿 (170,803,325) | 5.0190% |
| 1992 | 1.69亿 (168,814,806) | 5.0463% |
| 1991 | 1.67亿 (166,940,233) | 5.0792% |
| 1990 | 1.65亿 (165,147,772) | 5.1165% |
| 1989 | 1.64亿 (163,597,119) | 5.1638% |
| 1988 | 1.63亿 (162,567,856) | 5.2317% |
| 1987 | 1.62亿 (161,562,819) | 5.3051% |
| 1986 | 1.60亿 (160,182,740) | 5.3700% |
| 1985 | 1.59亿 (158,592,615) | 5.4317% |
| 1984 | 1.57亿 (157,122,255) | 5.5000% |
| 1983 | 1.56亿 (155,628,063) | 5.5715% |
| |
| 1982 | 1.54亿 (153,984,654) | 5.6388% |
| 1981 | 1.52亿 (152,345,271) | 5.7055% |
| 1980 | 1.51亿 (150,533,903) | 5.7682% |
| 1979 | 1.49亿 (148,535,061) | 5.8243% |
| 1978 | 1.46亿 (146,177,580) | 5.8713% |
| 1977 | 1.44亿 (143,829,512) | 5.9157% |
| 1976 | 1.42亿 (141,515,889) | 5.9419% |
| 1975 | 1.39亿 (139,177,308) | 5.9562% |
| 1974 | 1.37亿 (136,755,049) | 5.9670% |
| 1973 | 1.34亿 (134,420,257) | 5.9850% |
| 1972 | 1.32亿 (132,006,670) | 6.0063% |
| 1971 | 1.30亿 (129,521,198) | 6.0224% |
| 1970 | 1.27亿 (126,953,729) | 6.0353% |
| 1969 | 1.25亿 (124,596,742) | 6.0547% |
| 1968 | 1.22亿 (122,441,662) | 6.0787% |
| 1967 | 1.20亿 (120,475,148) | 6.1088% |
| 1966 | 1.18亿 (118,265,318) | 6.1230% |
| 1965 | 1.16亿 (116,320,150) | 6.1446% |
| 1964 | 1.15亿 (115,018,817) | 6.1911% |
| 1963 | 1.13亿 (113,495,962) | 6.2164% |
| 1962 | 1.12亿 (111,694,584) | 6.2234% |
| 1961 | 1.10亿 (109,806,029) | 6.2137% |
| 1960 | 1.08亿 (108,320,395) | 6.2022% |
| 1959 | 1.07亿 (107,153,423) | 6.2193% |