There are now seven federal u.s. tax rate brackets in the United States, with rates of 10%, 12%, 22%, 24%, 32%, 35%, and 37 percent. Even if you're one of the fortunate few who make enough money to be in the 37 percent tax bracket, not all of your taxable income will be subject to the 37 percent tax. Instead, your top marginal tax rate is 37%