A study from Wallethub focused on federal tax policy and analyzed and ranked each state based on the fairness of its state and local tax system, which included income taxes, property taxes and sales and excise taxes.  Where does Illinois fall? No. 47.

http://politics.suntimes.com/article/springfield/illinois-has-one-most-unfair-tax-systems-study-shows/tue-09162014-1050am#bmb=1