Calendar Year Return Projections for the United States and IRS Campuses, 2020 PDF Publication 6186 (Revised 11/20) by IRS; Research, Applied Analytics, and Statistics 2019 PDF 2018 PDF 2017 PDF 2016 PDF 2015 PDF 2014 PDF 2013 PDF 2012 PDF 2011 PDF 2010 PDF 2009 PDF 2008 PDF 2007 PDF 2006 PDF 2005 PDF Publication 6186 OneSheet PDF IRS Publication 6186 contains multi-year projections of the number of tax returns to be filed with the IRS by the calendar year of filing. 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) and by IRS processing campus location. Related Tables: Tables 1 through 11 XLSX