The United States is one of two nations in the world that taxes its non-inhabitant citizens on worldwide revenue, in the same method also rates as inhabitants; another is Eritrea. The United State Supreme Court maintained the constitutionality of imposition of such a tax in the case of Cook v. Tait.
Wages taxes are enforced by the federal and all state governments. These include Social Security and Medicare taxes enforced on both employers and employees, at a combined rate of 15.3% (13.3% for 2011 or 2012). Social Security tax applies only to the first $106,800 of wages in 2009 through 2011. Nevertheless, advantages are just increased on the first $106,800 of salary. Employers must withhold earning taxes on wages. An unemployment tax or particular other levies apply to employers. Wage taxes have dramatically increased as a part of federal income since the 1950s, while corporate income taxes have fallen as a part of income. (Corporate profits have not fallen as a share of GDP).
Treasure taxes are enforced by most local governments also many special purpose authorities based on the fair market value of treasure. School or other authorities are oftentimes separately governed, also impose distinct taxes. Property tax is mostly imposed just on realty, though some jurisdictions tax some forms of business wealth. Treasure tax rules also rates differ widely with annual median rates ranging from 0.2% to 1.9% of a property’s value reffering to the state.