Herman Cain’s bizarre 9-9-9 plan would replace much of the current tax code with a 9 percent individual income tax and a 9 percent sales tax. He calls it a “flat tax.” Next week Rick Perry is set to ...

A progressive tax is when the tax rates increase (or “progresses”) as the taxable income increases for an individual or a business.

Not all states tax income the same. See how state income tax rates compare, how flat and progressive systems work and what ...

Even after three strikes, advocates for a “progressive” income tax aren’t out. Their proposal to replace Colorado’s 4.4% flat income-tax rate with an array of tax brackets is once again moving ahead ...