In 2014, lawmakers put a similar advisory referendum on the ballot calling for state millionaires to pay 3% on income exceeding $1 million, with proceeds specifically earmarked for schools. Nearly two-thirds of voters on that question — 64% — backed the idea.

Illinois voters approved three nonbinding ballot questions, including one asking whether the highest earners should be taxed to fund property tax relief.

Illinois voters approved of the Property Tax Relief and Fairness advisory referendum, which asked voters if the state should implement a 3% tax on income greater than $1,000,000, dedicating those funds for property tax relief.

The measure calls for the creation of a 3% tax on individual income over $1 million to use to reduce the property tax burden.

Illinois voters have accepted an advisory referendum on expanding health insurance plans that cover pregnancy benefits to include coverage of assisted reproductive treatments like in vitro fertilization state-wide.