Some states give multiple tax breaks to retirees. Nine states have no income tax, including Washington, which only taxes high earners' capital gains.

Americans generally fear the IRS enough to make sure they file their federal taxes, but most of them must also remember to pay state taxes. There are exceptions. Taxpayers who live in Alaska, Florida, ...

"Mississippi will no longer tax the work, the earnings, or the ambition of its people," Mississippi Gov. Tate Reeves boasted last March in a statement that captured low popular opinions of income ...