Income tax II in 1188 to raise money for the Third Crusade. The tithe demanded that each layperson in England and Wales be taxed one tenth of their personal income and moveable property. The inception date of the modern income tax is typically accepted as 1799, at the suggestion of Henry Beeke, the future Dean of Bristol. This income tax was introduced into Great Britain by Prime Minister William Pitt the Younger in his budget of December 1798, to pay for weapons and equipment for the French Revolutionary War. Pitt's new graduated (progressive) income tax began at a levy of 2 old
Income tax in the United States authorities may not make changes after a certain period of time (generally three years). Federal income brackets and tax rates for individuals are adjusted annually for inflation. The Internal Revenue Service (IRS) accounts for changes to the CPI and publishes the new rates as "Tax Rate Schedules". , 68.8% of Federal individual tax receipts including payroll taxes, were paid by the top 20% of taxpayers by income group. This accounts for the fact that a tax cut tends to "benefit the rich" since they are the ones paying most of the taxes. Beginning in 2013, an additional tax of 3.8%