The database reports outlays of the U.S government.  Data from 2013 to 2018 are estimates.  Years indicate federal Fiscal Years, Oct. 1-Sept. 30.

• Nondefense outlays reflects the sum of
  • Nondefense: total payments for individuals
  • Non-defense: all other grants
  • Nondefense: net interest
  • Nondefense: all other
  • Nondefense: undistributed offsetting receipts.
  • Nondefense: total payments for individuals reflects the sum of Nondefense: direct payments for individuals and Nondefense: payments for individuals through grants to state and local governments.
  
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  • National defense outlays includes a small amount of grants to state and local governments and direct payments for individuals.
  • Direct payments, net interest, all other, and undistributed offsetting receipts includes some off-budget amounts; most of the off-budget amounts are direct payments for individuals (e.g., Social Security benefits).