The top 20% of taxpayers contribute 68.5% of all income tax collected.  These are people with incomes over $125K.  Your claims are not supported by the ODR research on the tax.   See Oregon Personal Income Tax Statistics-Characteristics of Filers, 2016 Edition which can be found at www.oregon.gov/DOR/programs/gov-research/Documents/Oregon-personal-income-tax-statistics-2016.pdf.  The chart you'll want to study is on page 22.   It explains who pays and how much.  We already have more than a progressive system.   We don't need a socialist system and if we get one we should rename the ODR the Office of Wealth Redistribution.