America does have a progressive tax system.54Rebecca ChewJose GandulliaFollowFeb 23, 2017 · 1 min readTry again, 39.6% federal, not 33%Add (a federally deductible) 12.3% for California and you get: 47%https://smartasset.com/taxes/california-tax-calculatorTax Brackets in 2017 - Tax FoundationEvery year, the IRS adjusts more than 40 tax provisions for inflation. This is done to prevent what is called "bracket…taxfoundation.org