USA is one of two states in the world that taxes its non-resident citizens on worldwide revenue, in the same manner and rates as habitants; the other is Eritrea. The U.S.A. 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 also employees, at a combined rate of 15.3% (13.3% for 2011 or 2012). Social Security tax applies only to the 1st $106,800 of wages in 2009 thru 2011. None the less, benefits are only increased on the first $106,800 of wages. Employers should withstand income taxes on salary. An unemployment tax or specific other picks up apply to employers. Wage taxes have dramatically raised as a share of federal revenue since the 1950s, while corporate earning taxes have fallen as a part of income. (Company profits have not fallen as a part of GDP).
Property taxes are enforced by most local governments or many special purpose authorities based on the fair market value of property. School and other authorities are oftentimes separately governed, or impose distinct taxes. Wealth tax is usually imposed only on realty, though several jurisdictions tax some forms of business treasure. Treasure tax rules and rates differ widely with annual median rates ranging from 0.2% to 1.9% of a wealth’s value reffering to the state.