IRS Publication 1416 These three compendia feature information on tax-exempt organizations gathered from IRS information returns, Forms 990, 990-PF, 990-T, and 5227. Each is a compilation of articles, papers and tables and includes detailed statistics on topics such as nonprofit organizations, private foundations, charitable remainder trusts, and unrelated business income of exempt organizations. To obtain copies, see Order Information below. The following are available as PDF files. A free Adobe® reader is available for download, if needed. Compendium of Studies of Tax Exempt Organizations, Volume 3 PDF Statistics for Tax Years 1989–1998 Compendium of Studies of Tax Exempt Organizations, Volume 2 PDF Statistics for Tax Years 1986–1992 Compendium of Studies of Tax Exempt Organizations, Volume 1 PDF Statistics for Tax Years 1974–1987 Order information For copies of these publications, please contact: Statistical Information ServicesSIS Email Internal Revenue Service, (RASS:S:SS:CDD) Attn: Statistical Information Services 1111 Constitution Ave., NW K-Room 4112 Washington, DC 20224-0002 202-874-0410 (voice) 202-874-0964 (fax) Learn more about all of the Charitable & Exempt Organizations studies produced by the Statistics of Income (SOI) Division.