What tax bracket pays the highest percentage of federal income tax?
People who file single, married filing jointly and head of household and make $349,700 pay the highest taxes. They pay a base amount on the $349,700 and then 35% on any amount over that. You can see tax schedules here: http://www.irs.gov/formspubs/article/0,,id=164272,00.html. You can also use a tax calculator if you’re not into manual calculations. http://www.taxseason2009.