Who are Americans and Who Participates? Study the Who Are Americans? infographic, and then answer the question. A chart shows Federal, State, and Local Taxes as a Percentage of Income for various income groups. Those in the bottom 20% of income earners have an average income of 14400 dollars and pay 7.6% of their income as federal taxes and 12.8% as state and local taxes. Those in the second 20% of income earners have an average income of 33800 dollars and pay 11.0% of their income as federal taxes and 11.4% as state and local taxes. Those in the middle 20% of income earners have an average income of 55500 dollars and pay 14.4% of their income as federal taxes and 11.1% as state and local taxes. Those in the fourth 20% of income earners have an average income of 90800 dollars and pay 17.2% of their income as federal taxes and 10.6% as state and local taxes. Those in the next 15% of income earners have an average income of 167000 dollars and pay 20.5% of their income as federal taxes and 9.7% as state and local taxes. Those in the next 4% of income