January 6, 2016 Graphic Discretionary spending by the federal government totaled $1.2 trillion in 2015—about half for national defense and half for nondefense activities. View Document116.59 KB Summary Related Publications Mandatory Spending in 2015: An InfographicJanuary 6, 2016 Revenues in 2015: An InfographicJanuary 6, 2016 The Federal Budget in 2015: An InfographicJanuary 6, 2016