There are 21 states with lower corporate income tax rates than Arizona. Before you stop and say "but corporations should pay their fair share too" realize that corporations are only a middleman for Uncle Sam. Corporate taxes are paid by private individuals in the form of higher prices, lower returns on investments, and fewer jobs or less pay. Corporate taxes make Arizonans poorer and the state less competitive to attract new business investments and create new jobs.
Read "Three Paths to Prosperity" for more information on tax reform.