The Tax Foundation’s study estimates that to eliminate the federal deficit, tax rates for couples filing joint returns in 2010 must more than double.  The following list shows income levels, current marginal tax rates and the increased marginal tax rates needed to erase the deficit.

$0 to $16,750 increase from 10% to 27.2%
$16,751 to $68,000 increase from 15% to 40.8%
$68,001 to $137,300 increase from 25% to 68.0%
$137,301 to $209,200 increase from 28% to 76.2%
$209,201 to $373,600 increase from 33% to 89.8%
$373,601 and over increase from35% to 95.2%