US is one of two nations in the world that taxes its non-habitant citizens on worldwide income, in the same way and rates as habitants; the other is Eritrea. The U.S. Supreme Court established 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 inclusive 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 first $106,800 of wages in 2009 thru 2011. However, advantages are just increased on the first $106,800 of wages. Employers must withstand earning taxes on salary. An unemployment tax or certain another collects apply to employers. Payroll taxes have dramatically raised as a share of federal income since the 1950s, while company earning taxes have fallen as a share of income. (Company profits have not fallen as a part of GDP).
Wealth taxes are imposed by most local governments and many specific objective authorities based on the fair market value of treasure. School also another authorities are oftentimes separately governed, and enforce distinct taxes. Treasure tax is generally enforced only on realty, though some jurisdictions tax some forms of business property. Wealth tax rules and rates vary widely with annual median rates ranging from 0.2% to 1.9% of a property’s value basing on the state.