Nevertheless, the top 400 took a record share of gains in 2009---a stunning 16% of all the net gains reported on 140.5 million individual income tax returns, up from 13% in 2008.

The top 400: Income way up and taxes way, way down A new IRS report on the richest 400 taxpayers shows their income rose an average of $81 million -- in a single year. By Joe Conason.

The top 400 tax filers with the highest adjusted gross incomes saw their income drop by a quarter in 2009, while their average effective tax rate rose to nearly 20%, up from 18% the year earlier.

Top 400 Taxpayers Paid Almost as Much Income Taxes in 2014 as Entire Bottom ... and they paid $29.4 billion collectively in federal income taxes at an average tax rate of 23.13% (see chart above).

And it's pretty likely that your income isn't even in the same galaxy as that of the top 400 taxpayers, which averaged $335.7 million in 2012, according to the latest data from the IRS.

The top 400 U.S. individual taxpayers got 1.59% of the nation's household income in 2007, according to their tax returns, three times the slice they gotin the 1990s, according to the Internal ...