Personal Income Tax History
Top Marginal Rates 1913 to Present
The chart1 below the highest federal personal income tax rates from 1913 to today. The amount of income subject to these varying rates has also changed. In 1965-67, a rate of 70% applied to taxable incomes over $200,000, equal to approximately $1,297,608 in current dollars.
Source: Joseph A. Pechman, "Federal Tax Policy" Fifth Edition, and IRS form 1040.