Charts and analysis of the US government spending, federal, state, and local,  including current spending, 20th century spending. Source: Office of Managment  and Budget, US Census Bureau.
Oct 18, 2011 ... (State and local governments' spending — not counting what they get from  federal grants for things like Medicaid and highways — is about a third of the ...  By the OECD's measure, U.S. government spending topped 42 percent of GDP in  2009 and 2010 — when the economy hit bottom — and has slipped to ...
Federal government spending shows charts on national US spending by year as  a percentage of GDP. Part of the Federal Revenue and Spending.
Also, this number excludes state and local debt. According to the OECD, general  government gross debt (federal, state, and local) in the United States in the fourth  quarter of 2015 was $22.5 trillion (125% of GDP); subtracting out $5.25 trillion for  intergovernmental federal debt to count only federal "debt held by the public" ...
Dec 18, 2013 ... Earlier, in the 1960s, federal investment represented more than 30 percent of  federal spending and averaged nearly 6 percent of GDP. ... The federal  government also invests through grants to state and local governments, which in  2012 represented 46 percent of its nondefense investment, or $146 billion.
Forty percent of gross domestic product "is state, local, or federal money."