USA is one of two nations in the world that taxes its non-inhabitant citizens on worldwide revenue, in the same manner or rates as habitants; another is Eritrea. The U.S. Supreme Court established 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 inclusive Social Security and Medicare taxes enforced on both employers or 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 thru 2011. None the less, benefits are only increased on the first $106,800 of salary. Employers should withhold income taxes on wages. An unemployment tax also particular another collects apply to employers. Payroll taxes have dramatically increased as a share of federal income since the 1950s, while corporate revenue taxes have fallen as a share of income. (Company profits have not fallen as a part of GDP).
Wealth taxes are enforced by most local governments and many particural objective authorities refer to the fair market value of treasure. School also another authorities are often separately governed, or impose distinct taxes. Wealth tax is usually imposed just on realty, though several jurisdictions tax some forms of business property. Wealth tax rules or rates differ widely with yearly median rates ranging from 0.2% to 1.9% of a property’s value basing on the state.