The Top 10 Percent of Income Earners Paid 71 Percent of Federal Income Tax
The U.S. tax system is highly progressive. The top 1 percent of income earners paid 40 percent of all federal income taxes in 2006, while the bottom 50 percent paid 3 percent. Further, 32 percent of all tax returns with positive adjusted gross income, 43 million total, filed in 2006 were from people who paid no federal income tax at all.