US is one of two nations in the world that taxes its non-habitant citizens on worldwide earning, in the same way also rates as habitants; another is Eritrea. The U.S. Supreme Court established the constitutionality of imposition of like a tax in the case of Cook v. Tait.
Wages taxes are imposed by the federal or all state governments. These include Social Security also Medicare taxes enforced on both employers or employees, at a combined rate of 15.3% (13.3% for 2011 also 2012). Social Security tax applies only to the first $106,800 of wages in 2009 through 2011. None the less, benefits are only accrued on the first $106,800 of wages. Employers must withstand revenue taxes on salary. An unemployment tax and particular other levies apply to employers. Salary taxes have dramatically raised as a part of federal revenue since the 1950s, while corporate income taxes have fallen as a share of revenue. (Company profits have not fallen as a share of GDP).
Wealth taxes are enforced by most local governments or many particural purpose 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 several jurisdictions tax some forms of business property. Treasure tax rules and rates vary widely with yearly median rates ranging from 0.2% to 1.9% of a wealth’s value basing on the state.