September 7, 2011 Tax Foundation’s Funding Sources Print this page Subscribe Support our work Download Tax Foundation Form 990, 2004Download Tax Foundation Form 990, 2005Download Tax Foundation Form 990, 2006Download Tax Foundation Form 990, 2007Download Tax Foundation Form 990, 2008Download Tax Foundation Form 990, 2009Download Tax Foundation Audited Financial Statement, Year Ending Dec. 31st 2010Download Tax Foundation Form 990, 2010 The following graph represents the Tax Foundation’s 2010 funding sources. Copies of our Form 990 are available below. Topics