This document contains two comparison charts summarizing the total tax percentages and effective tax rates for married filing jointly/widow(er) taxpayers and single taxpayers under the 2017 Tax Cuts and Jobs Act (TCJA). Each chart shows the tax brackets with income amounts, maximum amounts in each bracket, starting income amounts, tax amounts, initial tax rates, additional tax percentages, added hypothetical additional taxes, total tax amounts, total income amounts, total tax rates, and effective tax rates.