| 年份 | 美国 | 日本 | ||
|---|---|---|---|---|
| 人口 | 占世界% | 人口 | 占世界% | |
| 2021 | 2.16亿 (215,990,043) | 4.2197% | 7.34千万 (73,446,995) | 1.4349% |
| 2020 | 2.16亿 (216,355,010) | 4.2641% | 7.39千万 (73,864,092) | 1.4558% |
| 2019 | 2.15亿 (214,965,169) | 4.2773% | 7.43千万 (74,267,895) | 1.4778% |
| 2018 | 2.15亿 (214,704,199) | 4.3134% | 7.46千万 (74,638,081) | 1.4995% |
| 2017 | 2.14亿 (214,183,259) | 4.3453% | 7.51千万 (75,084,846) | 1.5233% |
| 2016 | 2.14亿 (213,723,220) | 4.3803% | 7.56千万 (75,621,650) | 1.5499% |
| 2015 | 2.13亿 (212,890,784) | 4.4101% | 7.63千万 (76,282,461) | 1.5802% |
| 2014 | 2.12亿 (211,539,193) | 4.4304% | 7.72千万 (77,229,906) | 1.6175% |
| 2013 | 2.10亿 (210,407,309) | 4.4570% | 7.84千万 (78,399,486) | 1.6607% |
| 2012 | 2.10亿 (209,586,568) | 4.4923% | 7.96千万 (79,572,883) | 1.7056% |
| 2011 | 2.09亿 (208,717,283) | 4.5294% | 8.04千万 (80,425,404) | 1.7453% |
| 2010 | 2.08亿 (207,573,780) | 4.5635% | 8.09千万 (80,939,051) | 1.7794% |
| 2009 | 2.06亿 (205,957,039) | 4.5910% | 8.14千万 (81,355,870) | 1.8135% |
| 2008 | 2.04亿 (204,331,171) | 4.6205% | 8.20千万 (81,996,931) | 1.8542% |
| 2007 | 2.03亿 (202,508,658) | 4.6482% | 8.27千万 (82,682,697) | 1.8978% |
| 2006 | 2.00亿 (200,387,285) | 4.6713% | 8.34千万 (83,351,772) | 1.9430% |
| 2005 | 1.98亿 (198,081,570) | 4.6944% | 8.40千万 (84,011,699) | 1.9910% |
| 2004 | 1.96亿 (195,827,384) | 4.7216% | 8.46千万 (84,562,217) | 2.0389% |
| 2003 | 1.94亿 (193,588,057) | 4.7490% | 8.50千万 (84,990,460) | 2.0849% |
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| 2002 | 1.91亿 (191,479,586) | 4.7804% | 8.53千万 (85,301,311) | 2.1296% |
| 2001 | 1.89亿 (189,269,845) | 4.8107% | 8.57千万 (85,671,811) | 2.1775% |
| 2000 | 1.87亿 (186,952,253) | 4.8378% | 8.60千万 (86,028,257) | 2.2262% |
| 1999 | 1.84亿 (184,384,947) | 4.8581% | 8.64千万 (86,357,057) | 2.2753% |
| 1998 | 1.82亿 (181,922,559) | 4.8810% | 8.66千万 (86,622,587) | 2.3241% |
| 1997 | 1.80亿 (179,510,803) | 4.9066% | 8.68千万 (86,812,362) | 2.3729% |
| 1996 | 1.77亿 (177,070,760) | 4.9315% | 8.70千万 (87,013,094) | 2.4233% |
| 1995 | 1.75亿 (174,821,805) | 4.9586% | 8.71千万 (87,135,285) | 2.4715% |
| 1994 | 1.73亿 (172,755,766) | 4.9885% | 8.72千万 (87,157,513) | 2.5167% |
| 1993 | 1.71亿 (170,803,325) | 5.0190% | 8.71千万 (87,064,178) | 2.5583% |
| 1992 | 1.69亿 (168,814,806) | 5.0463% | 8.68千万 (86,848,860) | 2.5961% |
| 1991 | 1.67亿 (166,940,233) | 5.0792% | 8.65千万 (86,536,705) | 2.6329% |
| 1990 | 1.65亿 (165,147,772) | 5.1165% | 8.61千万 (86,096,863) | 2.6674% |
| 1989 | 1.64亿 (163,597,119) | 5.1638% | 8.56千万 (85,559,221) | 2.7006% |
| 1988 | 1.63亿 (162,567,856) | 5.2317% | 8.48千万 (84,841,583) | 2.7304% |
| 1987 | 1.62亿 (161,562,819) | 5.3051% | 8.41千万 (84,089,079) | 2.7612% |
| 1986 | 1.60亿 (160,182,740) | 5.3700% | 8.33千万 (83,314,680) | 2.7930% |
| 1985 | 1.59亿 (158,592,615) | 5.4317% | 8.26千万 (82,563,185) | 2.8277% |
| 1984 | 1.57亿 (157,122,255) | 5.5000% | 8.18千万 (81,775,586) | 2.8625% |
| 1983 | 1.56亿 (155,628,063) | 5.5715% | 8.10千万 (80,959,193) | 2.8984% |
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| 1982 | 1.54亿 (153,984,654) | 5.6388% | 8.01千万 (80,106,499) | 2.9334% |
| 1981 | 1.52亿 (152,345,271) | 5.7055% | 7.95千万 (79,508,807) | 2.9777% |
| 1980 | 1.51亿 (150,533,903) | 5.7682% | 7.90千万 (78,966,952) | 3.0259% |
| 1979 | 1.49亿 (148,535,061) | 5.8243% | 7.83千万 (78,271,107) | 3.0691% |
| 1978 | 1.46亿 (146,177,580) | 5.8713% | 7.76千万 (77,639,037) | 3.1184% |
| 1977 | 1.44亿 (143,829,512) | 5.9157% | 7.70千万 (77,044,268) | 3.1688% |
| 1976 | 1.42亿 (141,515,889) | 5.9419% | 7.65千万 (76,477,143) | 3.2111% |
| 1975 | 1.39亿 (139,177,308) | 5.9562% | 7.59千万 (75,887,579) | 3.2477% |
| 1974 | 1.37亿 (136,755,049) | 5.9670% | 7.52千万 (75,214,015) | 3.2818% |
| 1973 | 1.34亿 (134,420,257) | 5.9850% | 7.45千万 (74,546,419) | 3.3191% |
| 1972 | 1.32亿 (132,006,670) | 6.0063% | 7.39千万 (73,854,357) | 3.3604% |
| 1971 | 1.30亿 (129,521,198) | 6.0224% | 7.31千万 (73,097,921) | 3.3989% |
| 1970 | 1.27亿 (126,953,729) | 6.0353% | 7.16千万 (71,627,272) | 3.4051% |
| 1969 | 1.25亿 (124,596,742) | 6.0547% | 7.08千万 (70,842,946) | 3.4425% |
| 1968 | 1.22亿 (122,441,662) | 6.0787% | 7.00千万 (69,992,810) | 3.4749% |
| 1967 | 1.20亿 (120,475,148) | 6.1088% | 6.91千万 (69,145,271) | 3.5060% |
| 1966 | 1.18亿 (118,265,318) | 6.1230% | 6.81千万 (68,120,520) | 3.5269% |
| 1965 | 1.16亿 (116,320,150) | 6.1446% | 6.70千万 (67,000,135) | 3.5393% |
| 1964 | 1.15亿 (115,018,817) | 6.1911% | 6.56千万 (65,603,572) | 3.5312% |
| 1963 | 1.13亿 (113,495,962) | 6.2164% | 6.40千万 (63,991,229) | 3.5049% |
| 1962 | 1.12亿 (111,694,584) | 6.2234% | 6.24千万 (62,378,444) | 3.4756% |
| 1961 | 1.10亿 (109,806,029) | 6.2137% | 6.11千万 (61,146,392) | 3.4602% |
| 1960 | 1.08亿 (108,320,395) | 6.2022% | 6.03千万 (60,316,755) | 3.4536% |
| 1959 | 1.07亿 (107,153,423) | 6.2193% | 5.81千万 (58,094,727) | 3.3719% |