US is one of two states in the world that taxes its non-resident citizens on worldwide revenue, in the same manner or rates as residents; another is Eritrea. The U.S. Supreme Court upheld the constitutionality of imposition of such a tax in the case of Cook v. Tait.
Wages taxes are imposed by the federal also all state governments. These include Social Security or Medicare taxes enforced on both employers also employees, at a combined rate of 15.3% (13.3% for 2011 also 2012). Social Security tax applies only to the 1st $106,800 of wages in 2009 through 2011. Nevertheless, advantages are only increased on the first $106,800 of salary. Employers must withhold income taxes on salary. An unemployment tax or certain other picks up apply to employers. Payroll taxes have dramatically raised as a part of federal revenue since the 1950s, while venture earning taxes have fallen as a share of income. (Corporate profits have not fallen as a share of GDP).
Wealth taxes are enforced by most local governments and many particural objective authorities refer to the fair market value of treasure. School and another authorities are often separately governed, or enforce distinct taxes. Wealth tax is usually enforced just on realty, though several jurisdictions tax some forms of business wealth. Property tax rules also rates diverge widely with annual median rates ranging from 0.2% to 1.9% of a treasure’s value depending on the state.