As of 2010, there were 118.7 million taxpaying households in the United States., Congressional Budget Office The median marginal federal income tax rate is 15%. In addition, there are numerous other federal taxes and transfers that affect one's net tax burden, including federal payroll taxes (both employer share and employees share), Corporate Income Taxes, Excises Taxes, Estate and Gift Taxes, Customs Duties and Miscellaneous Receipts. According to the Congressional Budget Office (CBO), the median taxpayer in the United States has had an effective overall federal tax burden that has declined from 19.14% of Before-Tax Income in 1979 to 11.20% of Before-Tax Income as of 2010. When simply comparing Market Income to After Tax Income, due to Government Transfers the Net Federal Tax burden of the median taxpayer has declined from 13.94% in 1979 to -8.76% in 2010 - this metric became negative for the first time in 2008.
