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SOI Bulletin: Spring 2008

The Statistics of Income (SOI) working papers present new and exciting research on the U.S. Federal tax system and the methods used to produce tax statistics. Papers are presented at professional conferences, such as the Joint Statistical Meeting of the American Statistical Association and the National Tax Association's annual conference on taxation, and are often published in professional journals. Below you will find a selection of papers organized by presentation year.

Get a closer look at why the IRS is encouraging taxpayers to make charitable contributions by December 31, 2021.

SOI Tax Stats - SOI Bulletin: Spring 2014

SOI Tax Stats - Charities, Business Leagues, and Other Tax-Exempt Organizations Selected Terms and Concepts

This area contains statistics on the number of returns examined by IRS and the recommended additional tax after examination, by type and size of the returns. Additional data are also available here.

Frequently asked questions for continuing education providers.

Who needs a PTIN, sample scenarios, SSN requirements, and non-signing/supervised preparers.

John Hinman, Director of the IRS Whistleblower Office, discusses how whistleblower information contributes to identifying noncompliance and reducing the tax gap.

2003 American Statistical Association Conference