Via Stazio

U.S Income Tax Rates:

1. U.S. Income Tax Rates, 1913-2008 (highest and lowest brackets, with mean rate)
2. U.S. Income Tax Rates, 1986-2009 (mean rate, by income percentile)

1. U.S Income Tax Rates, 1913-2008

(highest and lowest brackets and mean effective rate)

Source: IRS.

2. U.S Income Tax Rates, 1986-2009

(highest and lowest brackets and mean rate, by percent rank of earners)

Source: IRS.