The United States is one of two states in the world that taxes its non-inhabitant citizens on worldwide earning, in the same method and rates as habitants; the other is Eritrea. The U.S. Supreme Court maintained the constitutionality of imposition of such a tax in the case of Cook v. Tait.
Wages taxes are imposed by the federal or all state governments. These include Social Security or Medicare taxes enforced on both employers and 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 thru 2011. However, advantages are only increased on the first $106,800 of wages. Employers must withstand revenue taxes on wages. An unemployment tax also specific another levies apply to employers. Wage taxes have dramatically increased as a share of federal revenue since the 1950s, while company income taxes have fallen as a share of income. (Company profits have not fallen as a share of GDP).
Treasure taxes are enforced by most local governments and many particural aim authorities based on the fair market value of treasure. School also other authorities are often separately governed, also enforce distinct taxes. Wealth tax is usually enforced just on realty, though several jurisdictions tax some 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 basing on the state.