Measured as a share of family income, California’s lowest-income families pay the most in taxes. The poorest fifth of the state’s non-elderly families, with an average income of $13,200, spent 11.1 percent of their income on state taxes. In comparison, the wealthiest 1 percent, with an average income of $2.2 million, spent 7.8 percent of their income on state taxes.
Download the full report from the California Budget Project.