USA Today: States with the Worst Taxes on Average Earners

When looking at taxes paid as a share of the income earned, all states have a regressive tax system, which means poorer residents are taxed more than the wealthiest ones. The difference in effective tax rates between income groups, however, varies widely between states. According to “Who Pays? A Distributional Analysis of the Tax Systems in All 50 States,” a report released by the Institute on Taxation and Economic Policy (ITEP), Washington has by far the most regressive tax system nationwide. Based on the index score, a ratio calculated from a range of factors to measure income inequality before and after taxes, these are the states with the most unfair tax systems for the average American.

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