The United States is one of two nations in the world that taxes its non-habitant citizens on worldwide income, in the same manner or rates as residents; another is Eritrea. The United State Supreme Court established the constitutionality of imposition of like a tax in the case of Cook v. Tait.
Wages 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 combined rate of 15.3% (13.3% for 2011 and 2012). Social Security tax applies only to the first $106,800 of wages in 2009 thru 2011. However, benefits are only accrued on the first $106,800 of wages. Employers should withstand earning taxes on salary. An unemployment tax and specific another collects apply to employers. Payroll taxes have dramatically increased as a share of federal revenue since the 1950s, while venture income taxes have fallen as a share of earning. (Corporate profits have not fallen as a part of GDP).
Wealth taxes are imposed by most local governments or many specific goal authorities refer to the fair market value of treasure. School and other authorities are often separately governed, and enforce distinct taxes. Property tax is usually enforced just on realty, though several jurisdictions tax several forms of business property. Treasure tax rules also rates differ widely with annual median rates ranging from 0.2% to 1.9% of a treasure’s value reffering to the state.