The U.S. federal individual income tax was enacted in 1913 following the passage of the 16th Amendment. Today, most states and a small number of local and municipal governments also collect income taxes.
2018 State Business Tax Climate Index
October 17, 2017
Unpacking the State and Local Tax Toolkit: Sources of State and Local Tax Collections
June 20, 2017
Ohio Illustrated: A Visual Guide to Taxes & The Economy
June 7, 2017
State Individual Income Tax Rates and Brackets for 2017