| 年份 | 日本 |
| 人口 | 占世界% |
| 2021 | 3.74千万 (37,436,889) | 4.9348% |
| 2020 | 3.74千万 (37,352,017) | 5.0672% |
| 2019 | 3.71千万 (37,077,906) | 5.2071% |
| 2018 | 3.67千万 (36,650,477) | 5.3348% |
| 2017 | 3.61千万 (36,141,302) | 5.4533% |
| 2016 | 3.55千万 (35,512,557) | 5.5538% |
| 2015 | 3.47千万 (34,745,347) | 5.6267% |
| 2014 | 3.38千万 (33,762,485) | 5.6556% |
| 2013 | 3.26千万 (32,602,328) | 5.6396% |
| 2012 | 3.15千万 (31,457,297) | 5.6081% |
| 2011 | 3.07千万 (30,651,515) | 5.6183% |
| 2010 | 3.02千万 (30,225,206) | 5.6677% |
| 2009 | 2.97千万 (29,663,227) | 5.6759% |
| 2008 | 2.89千万 (28,918,875) | 5.6450% |
| 2007 | 2.81千万 (28,084,356) | 5.5930% |
| 2006 | 2.72千万 (27,178,297) | 5.5304% |
| 2005 | 2.63千万 (26,326,876) | 5.4840% |
| 2004 | 2.56千万 (25,630,222) | 5.4683% |
| 2003 | 2.50千万 (24,992,848) | 5.4647% |
| |
| 2002 | 2.42千万 (24,245,889) | 5.4386% |
| 2001 | 2.34千万 (23,420,079) | 5.3933% |
| 2000 | 2.26千万 (22,584,255) | 5.3378% |
| 1999 | 2.18千万 (21,810,613) | 5.2854% |
| 1998 | 2.11千万 (21,054,517) | 5.2312% |
| 1997 | 2.03千万 (20,271,583) | 5.1674% |
| 1996 | 1.95千万 (19,503,381) | 5.1020% |
| 1995 | 1.88千万 (18,774,576) | 5.0450% |
| 1994 | 1.81千万 (18,076,140) | 4.9942% |
| 1993 | 1.74千万 (17,380,100) | 4.9399% |
| 1992 | 1.67千万 (16,688,227) | 4.8814% |
| 1991 | 1.60千万 (15,989,095) | 4.8109% |
| 1990 | 1.53千万 (15,310,853) | 4.7354% |
| 1989 | 1.47千万 (14,696,743) | 4.6695% |
| 1988 | 1.41千万 (14,146,869) | 4.6180% |
| 1987 | 1.37千万 (13,652,017) | 4.5730% |
| 1986 | 1.32千万 (13,187,087) | 4.5259% |
| 1985 | 1.27千万 (12,737,878) | 4.4766% |
| 1984 | 1.23千万 (12,326,514) | 4.4261% |
| 1983 | 1.20千万 (11,976,071) | 4.3752% |
| |
| 1982 | 1.16千万 (11,613,955) | 4.3067% |
| 1981 | 1.12千万 (11,234,679) | 4.2320% |
| 1980 | 1.09千万 (10,861,556) | 4.1665% |
| 1979 | 1.05千万 (10,478,272) | 4.1140% |
| 1978 | 1.01千万 (10,089,223) | 4.0728% |
| 1977 | 9.71百万 (9,708,881) | 4.0342% |
| 1976 | 9.34百万 (9,342,855) | 3.9964% |
| 1975 | 9.00百万 (8,999,100) | 3.9630% |
| 1974 | 8.66百万 (8,659,053) | 3.9289% |
| 1973 | 8.34百万 (8,337,446) | 3.8984% |
| 1972 | 8.02百万 (8,019,081) | 3.8616% |
| 1971 | 7.74百万 (7,736,659) | 3.8339% |
| 1970 | 7.44百万 (7,442,636) | 3.7947% |
| 1969 | 7.23百万 (7,234,133) | 3.7912% |
| 1968 | 7.01百万 (7,008,556) | 3.7750% |
| 1967 | 6.77百万 (6,768,161) | 3.7499% |
| 1966 | 6.51百万 (6,512,803) | 3.7127% |
| 1965 | 6.29百万 (6,288,364) | 3.6856% |
| 1964 | 6.09百万 (6,093,879) | 3.6667% |
| 1963 | 5.90百万 (5,899,224) | 3.6377% |
| 1962 | 5.72百万 (5,719,310) | 3.6121% |
| 1961 | 5.56百万 (5,560,966) | 3.5891% |
| 1960 | 5.41百万 (5,405,847) | 3.5487% |
| 1959 | 5.08百万 (5,082,616) | 3.4210% |