Federal Government Spending 1999 Amount Amount per Percent of Category (billions) Person Spending Social security $393 $1,445 23% National defense 277 1,018 16 Net interest 243 893 Income security 227 837 13 Medicare 205 754 12 Health 143 526 8 Other 239 879 14 Total $1,727 6350 100%Federal Government Spending: 1999 Category Amount (billions) Amount per Person Percent of Spending Social security $ 393 $1,445 23% National defense 277 1,018 16 Net interest 243 893 14 Income security 227 837 13 Medicare 205 754 12 Health 143 526 8 Other 239 879 14 Total $1,727 $6,350 100%