According to a Dec. 31 report from the bipartisan Tax Structure Work Group, the state’s system creates average tax burdens at 8.2% of total income for households with income between $17,000 and $30,000 a year, but the burden drops as incomes rise and is only 1.8% for households making more than $208,000. The Institute for Taxation and Economic Policy has repeatedly ranked Washington as the state with the country’s “most regressive” tax system.
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