Defence Investment in USA

National Defense Gross Investment (% of GDP)
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
8.5
7.6
8.2
7.6
12.6
15.6
15.7
13.9
12.3
12.2
12.6
12.9
11.7
11.2
11.5
11.5
11.0
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
10.2
9.5
10.1
11.0
10.8
10.0
9.4
8.4
7.8
7.1
7.1
6.9
6.6
6.4
6.1
6.0
6.3
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
6.6
7.3
7.4
7.3
7.5
7.6
7.6
7.2
6.9
6.7
6.7
6.2
5.7
5.2
4.9
4.6
4.3
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2021
2013
4.0
4.0
3.8
3.9
4.2
4.5
4.6
4.6
4.6
4.7
5.1
5.5
5.6
5.4
5.0
4.6

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The data set gives the investment in defence in the USA between 1947 and 2006.

Because 1947 dollars were worth less than 2006 dollars, all values have been adjusted for inflation and are reported in '2000 dollars', allowing more meaningful comparisons between the years.