The "Buffet Rule" would raise around 5 Billion dollars a year in tax revenue according to all the sources Obama's Buffett Rule: A minimum tax for millionaires - Apr. 9, 2012 Buffett rule won Buffett Rule: Doomed Congressional Tax Debate May Tilt 2012 Election Our annual budget defecits have been over 1 Trillion dollars a year Rising revenues narrow deficit, but for how long? - BostonHerald.com So 5 billion is 0.5% of our annual budget defecit, how does this buffet rule help america? This is a question that assumes people understand basic economics and historical data on taxes. For example, the raise of the capital gains tax has been shown to actually lower the federal captial gain's tax revenues due to the impacts as explained through the laffer curve.