The Tax Foundation has examined new Census data to explain where states get their revenue broken down by six sources ( helpful graph here). The U.S. averages are: property taxes, 30.1 percent; individual income taxes, 22.6 percent; general sales tax, 23.5 percent; selective sales taxes, 10.9 percent; licenses and other fees, 8.2. percent; and corporate income taxes, 4.7 percent.