An America is one of two nations in the world that taxes its non-resident citizens on worldwide revenue, in the same way and rates as residents; another is Eritrea. The America Supreme Court maintained the constitutionality of imposition of such a tax in the case of Cook v. Tait.
Payroll taxes are enforced by the federal or all state governments. These include Social Security and 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 1st $106,800 of wages in 2009 thru 2011. However, benefits are only increased on the first $106,800 of salary. Employers must withhold earning taxes on salary. An unemployment tax and certain other levies apply to employers. Payroll taxes have dramatically increased as a share of federal revenue since the 1950s, while company revenue 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 also many special goal authorities refer to the fair market value of property. School or other authorities are often separately governed, also enforce distinct taxes. Treasure tax is usually enforced only on realty, though several jurisdictions tax several forms of business property. Wealth tax rules also rates vary widely with yearly median rates ranging from 0.2% to 1.9% of a property’s value depending on the state.