It was ratified by states in 1913. Since then, most states have adopted their own income taxes. Eight states currently charge no personal income tax: Alaska, Florida, New Hampshire, Nevada, South ...

The IRS has given taxpayers in many states more time to file their taxes past the April 15 deadline due to natural disasters.

The Tax Foundation. "State Individual Income Tax Rates and Brackets, 2025." Tax Policy Center. "The State of State (and Local) Tax Policy." The Tax Foundation. "2025 State Tax Competitiveness ...

One week after Governor Kemp signed Georgia’s latest income tax cut into law, legislators in neighboring South Carolina are ...

Just over 5% of the average state income tax return supports economic development and public safety, while almost 28% goes to ...

Since then, most states have adopted their own income taxes. Eight states currently charge no personal income tax: Alaska, Florida, New Hampshire, Nevada, South Dakota, Tennessee, Texas and Wyoming.