Defense spending constitutes a sizable share of all spending by the federal government, about 18 percent in 2013. CBO analyzes the budgetary effects of proposed legislation related to national security and assesses the cost-effectiveness of current and proposed defense programs. CBO also evaluates federal programs and issues related to veterans.
Use this menu to filter CBO's publications by topic. From January 2011 forward, all the agency's products are categorized by topic. Cost estimates released prior to the 112th Congress are not categorized by topic.