| 年份 | 军费 | 占GDP比重(%) |
|---|---|---|
| 1952 | 3.6 | 2.1 |
| 1953 | 4.0 | 2.0 |
| 1954 | 4.8 | 2.2 |
| 1955 | 4.9 | 2.1 |
| 1956 | 4.6 | 1.7 |
| 1957 | 4.5 | 1.5 |
| 1958 | 4.6 | 1.4 |
| 1959 | 4.6 | 1.3 |
| 1960 | 4.8 | 1.1 |
| 1961 | 4.9 | 0.9 |
| 1962 | 5.4 | 0.9 |
| 1963 | 6.3 | 0.9 |
| 1964 | 7.2 | 0.9 |
| 1965 | 8.2 | 0.9 |
| 1966 | 9.3 | 0.9 |
| 1967 | 10.4 | 0.8 |
| 1968 | 11.7 | 0.8 |
| 1969 | 13.4 | 0.8 |
| 1970 | 15.8 | 0.8 |
| 1971 | 19.0 | 0.8 |
| 1972 | 25.7 | 0.8 |
| 1973 | 33.7 | 0.8 |
| 1974 | 39.6 | 0.9 |
| 1975 | 45.3 | 0.9 |
| 1976 | 50.1 | 0.9 |
| 1977 | 61.6 | 0.9 |
| 1978 | 86.6 | 0.9 |
| 1979 | 91.7 | 0.9 |
| 1980 | 97.1 | 0.9 |
| 1981 | 108.5 | 0.9 |
| 1982 | 101.9 | 0.9 |
| 1983 | 114.3 | 1.0 |
| 1984 | 122.3 | 1.0 |
| 1985 | 130.9 | 1.0 |
| 1986 | 194.6 | 1.0 |
| 1987 | 236.4 | 1.0 |
| 1988 | 282.2 | 0.9 |
| 1989 | 279.7 | 0.9 |
| 1990 | 288.0 | 0.9 |
| 1991 | 327.9 | 0.9 |
| 1992 | 360.0 | 0.9 |
| 1993 | 413.5 | 1.0 |
| 1994 | 452.9 | 0.9 |
| 1995 | 499.6 | 0.9 |
| 1996 | 440.5 | 0.9 |
| 1997 | 406.3 | 0.9 |
| 1998 | 378.5 | 0.9 |
| 1999 | 431.2 | 0.9 |
| 2000 | 455.1 | 0.9 |
| 2001 | 407.6 | 0.9 |
| 2002 | 393.3 | 1.0 |
| 2003 | 424.9 | 1.0 |
| 2004 | 453.4 | 0.9 |
| 2005 | 443.0 | 0.9 |
| 2006 | 415.5 | 0.9 |
| 2007 | 405.3 | 0.9 |
| 2008 | 463.6 | 0.9 |
| 2009 | 514.7 | 1.0 |
| 2010 | 546.6 | 1.0 |
| 2011 | 607.6 | 1.0 |
| 2012 | 600.1 | 1.0 |
| 2013 | 490.2 | 1.0 |
| 2014 | 469.0 | 1.0 |
| 2015 | 421.1 | 1.0 |
| 2016 | 464.7 | 0.9 |
| 2017 | 450.6 | 0.9 |
| 2018 | 485.4 | 1.0 |
| 2019 | 509.7 | 1.0 |
| 2020 | 519.7 | 1.0 |
| 2021 | 541.2 | 1.1 |
2021年，日本的军费开支为541.2亿美元，比上年增长21.5亿美元；2021年日本军费占GDP的比重为1.1%。
1961年以来，日本每年军费开支占GDP的比例一直维持在1%左右。
