Tax Units With Zero or Negative Tax Liability, 2009-2019 http://www.taxpolicycenter.org/UploadedPDF/1001289_who_pays.pdf <----REPORT 46.9% TO BE EXACT as of 07/09. The Income Tax System is Broken - CBS News? Does it sound like Democrat FREEBIES on OBAMACARE? Yes? We also know WHO Obama supporters ARE by looking at the data. They VOTED for Obama because they want 'FREE' stuffs. It's the truth, isn't it???