This issue of the Taxpayers' Federation's Tax Facts focuses on the hottest topic in Illinois taxes today: a proposal to amend Illinois’ constitution. Voters this fall will decide whether to authorize a change to Illinois’ 50-year-old flat-rate income tax and permit one imposed instead at graduated rates.
The comparisons of six hypothetical families and their tax liabilities in seven different states, including Illinois before and after the proposed rate changes are fascinating. Even with a significant tax rate increase on the high-income families, Illinois’ was not the highest tax bill. Take a look and see how various Illinois taxpayers will be impacted.