Finances of the British royal family are not subject to legislation concerning income tax, capital gains tax or inheritance tax. Furthermore, the Sovereign has no legal liability to pay such taxes. The Duchy of Cornwall has a Crown exemption and the Prince of Wales is not legally liable to pay income tax on Duchy revenues. A "Memorandum of Understanding on Royal Taxation" was published on 5 February 1993 and amended in 1996, 2009 and 2013. It is intended that the arrangements in the memorandum will be followed by the next monarch. The memorandum describes the arrangements by which The Queen and The Prince of Wales make
Progressivity in United States income tax higher lifetime average wages. However, if one were to expand the tax distribution example to include social security insurance taxes: Some lower income individuals pay a proportionately higher share of payroll taxes for Social Security and Medicare than do some higher income individuals in terms of the "effective tax rate". All income earned up to a point, adjusted annually for inflation ($106,800 for the year 2010) is taxed at 7.65% (consisting of the 6.2% Social Security tax and the 1.45% Medicare tax) on the employee with an additional 7.65% in tax incurred by the employer. The annual limitation amount is