With the recent release of some IRS statistics that the 400 highest-earning U.S. households reported an average of $345 million in income in 2007, up 31 percent from a year earlier and the average tax rate for these households fell to the lowest in almost 20 years you can imagine the political hay that may be made.
Each household in the top 400 of earners paid an average tax rate of 16.6 percent, the lowest since the agency began tracking the data in 1992, the Internal Revenue Service statistics show. Their average effective tax rate was about half the 29.4 percent in 1993.