washington republican plan repeal tax set obamacare would benefit wealthy u.s. households five time rate middle-income families accord nonpartisan tax policy center `` effect really dramatic find typical middle-income family would get tax cut average 300 people top 0.1 percent would get tax cut 207,000 `` howard gleckman senior fellow nonprofit research group say monday tpc.io/2n1mdwi expect benefit equal 2.6 percent wealthy family after-tax income 0.5 percent income middle-class household make 51,600 89,400 year include fringe benefit like employer-provided health insurance center estimate top 0.1 percent u.s. families income least 3.9 million propose change part plan back republican president donald trump repeal replace law officially know affordable care act former democratic president barack obama signature domestic legislation tell tax portion would eliminate levy worth 600 billion revenues decade adopt plan could first series tax cut promise trump vow low tax separate legislation overhaul u.s. tax code congressional budget office provide official cost estimate legislation monday say 14 million people would uninsured 2018 24 million 2026 plan consider house representatives adopt republican plan would also reduce federal deficits 337 billion 2017 2026 office say house representatives speaker paul ryan republican healthcare plan top backer congress house democratic leader nancy pelosi office immediate comment trump defend republican plan monday tell group obamacare opponents replacement would offer coverage choices low cost obama raise tax wealthy fund healthcare benefit middle- low-income americans healthcare law extend coverage 20 million previously uninsured people subsidize private coverage medicaid program poor democrats charge republicans would help rich expense families depend obamacare subsidies repeal two aca tax 3.8 percent investment tax 0.9 percent medicare payroll tax people earn 200,000 year would return 275 billion taxpayers 10 years congressional joint committee taxation jct say report last week 60 percent sum would go incomes million year accord reuters analysis jct data release congress addition investment hospital tax tax policy center also include effect repeal obamacare tax penalties uninsured employers offer insurance excise tax healthcare providers insurers researchers find 40 percent benefit propose tax change would go households earn 772,000 year 2022 cut would fully effective republican obamacare repeal would benefit wealthy study