As determined by The Tax Foundation, the day in 2011 that average Americans work until to cover their federal, state and local tax liabilities for the year is 3 days later than it was last year. www.taxfoundation.org/blog/show/27167.html
But, The Center on Budget and Policy Priorities explains that the data used for the study suggests that 80% of households pay a lower tax rate than the Tax Foundations estimated “average”. http://www.cbpp.org/cms/?fa=view&id=3139