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Topics for Statistics by Form

SOI Tax Stats - Employment Tax Statistics
Find statistics for FICA and SECA taxes, and more, here.

SOI Tax Stats - IRS Data Book
Look here for the 2010 IRS Data Book (Publications 55B), with links to prior IRS Data Books. The tables shown in these publications contain statistics for IRS collections and refunds, as well as number of returns. There's also information on examination activities, taxpayer assistance, chief counsel, appeals, criminal investigation, and more.



Page Last Reviewed or Updated: January 25, 2012