USA is one of two countries in the world that taxes its non-inhabitant citizens on worldwide earning, in the same manner and rates as residents; 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 enforced by the federal also all state governments. These include Social Security and Medicare taxes imposed on both employers and employees, at a combined rate of 15.3% (13.3% for 2011 and 2012). Social Security tax applies only to the 1st $106,800 of wages in 2009 through 2011. Nevertheless, advantages are only accrued on the first $106,800 of wages. Employers must withstand income taxes on wages. An unemployment tax and specific other levies apply to employers. Wage taxes have dramatically increased as a part of federal earning since the 1950s, while venture revenue taxes have fallen as a part of earning. (Company profits have not fallen as a part of GDP).
Wealth taxes are enforced by most local governments or many special objective authorities refer to the fair market value of wealth. School also other authorities are often separately governed, and impose distinct taxes. Treasure tax is generally enforced just on realty, though some jurisdictions tax some forms of business treasure. Treasure tax rules or rates differ widely with annual median rates ranging from 0.2% to 1.9% of a treasure’s value reffering to the state.