The IRS's Statistics of Income Division has issued Tax Stats 2008-16, announcing the release of Document 6186 (Fall 2008), which 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.
