Calendar Year Return Projections by State, 2020 PDF Publication 6149 (Revised 2/21) 2019 PDF 2018 PDF 2017 PDF 2016 PDF 2015 PDF 2014 PDF 2013 PDF 2012 PDF 2011 PDF 2010 2009 2008 2007 2006 2005 IRS Publication 6149 contains multi-year projections of the number of tax returns to be filed with the IRS by state—as determined by the addresses on the tax returns. The publication includes detailed projections by approximately 50 different individual, business and tax-exempt return types such as Form 1040, Form 1120, Form 941 and Form 990. There is also additional detail by medium of filing (paper versus electronic). Related Tables: Tables 1 through 54 XLSX