Some members of a commission charged with evaluating the state's multitude of tax breaks and exemptions think one way to measure the usefulness of a tax credit is to compare it to other states ...

The states with the lowest income tax rates are a mix of flat tax and graduated tax rates: North Dakota (2.5% top marginal tax rate) Arizona (2.5% flat tax rate) ...

The Kiplinger retiree tax helps show how each state treats people in retirement when it comes to income, sales, property and other taxes. Kiplinger. Save up to 74%. Subscribe to Kiplinger.