US is one of two states in the world that taxes its non-habitant citizens on worldwide income, in the same way also rates as residents; another is Eritrea. The U.S. Supreme Court established the constitutionality of imposition of like a tax in the case of Cook v. Tait.
Payroll taxes are enforced by the federal or all state governments. These include Social Security or Medicare taxes enforced on both employers or employees, at a conjointed 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. However, advantages are just accrued on the first $106,800 of salary. Employers must withstand income taxes on salary. An unemployment tax also certain other collects apply to employers. Wage taxes have dramatically increased as a share of federal revenue since the 1950s, while venture income taxes have fallen as a share of revenue. (Company profits have not fallen as a share of GDP).
Wealth taxes are imposed by most local governments also many specific objective authorities refer to the fair market value of treasure. School and other authorities are often separately governed, also enforce separate taxes. Property tax is generally enforced only on realty, though some jurisdictions tax several forms of business property. Property tax rules also rates diverge widely with yearly median rates ranging from 0.2% to 1.9% of a treasure’s value depending on the state.