United States — Public budget by function

Economy & public finances

United States — Public budget by function

% of the federal budget

Medicare
18.1%
Social Security
16.5%
National defense
14.0%
Net interest
12.4%
Health
11.3%
Income security
7.5%
General government
5.0%
Veterans benefits & services
4.1%

Source: USAspending.gov · OMB function · 2025

Federal government outlays by OMB function (share of program spending) — a different perimeter and taxonomy than the COFOG (general government) cards, so not directly comparable.