Projections articles Projections of Federal Tax Return Filings: Calendar Years 2009–2016 PDF (Winter Bulletin, 2010) A grand total of 238 million tax returns are projected to be filed with the IRS during calendar year (CY) 2010. This number represents a decrease of 1 percent from the estimated CY 2009 filings of 240.4 million returns. Related Statistical Table 1 XLS Projections of Federal Tax Return Filings: Calendar Years 2005–2012 PDF (SOI Bulletin, Winter 2005–2006) Taxpayers are expected to file a grand total of 229.3 million tax returns with the Internal Revenue Service (IRS) during calendar year (CY) 2006. That projected level reflects a modest increase of only 0.1 percent over the estimated CY 2005 filings of 229.0 million. Related Statistical Table 1 XLS