<P> The U.S. Department of Defense budget accounted in fiscal year 2010 for about 19 % of the United States federal budgeted expenditures and 28 % of estimated tax revenues . Including non-DOD expenditures , military spending was approximately 28 -- 38 % of budgeted expenditures and 42 -- 57 % of estimated tax revenues . According to the Congressional Budget Office , defense spending grew 9 % annually on average from fiscal year 2000 -- 2009 . </P>
<P> The U.S. Department of Defense budget accounted in fiscal year 2010 for about 19 % of the United States federal budgeted expenditures and 28 % of estimated tax revenues . Including non-DOD expenditures , military spending was approximately 28 -- 38 % of budgeted expenditures and 42 -- 57 % of estimated tax revenues . According to the Congressional Budget Office , defense spending grew 9 % annually on average from fiscal year 2000 -- 2009 . </P>
us defense budget as percentage of total spending
us defense budget as percentage of total spending
28 -- 38 % of budgeted expenditures 42 -- 57 % of estimated tax revenues
28 -- 38 % of budgeted expenditures 42 -- 57 % of estimated tax revenues