The IRS today released the 2010 IRS Data Book, which contains a wealth of statistical information for the IRS’s Oct. 1, 2009 – Sept. 30, 2010 fiscal year.  Here are the statistical tables:

Returns Filed, Taxes Collected, and Refunds Issued

• Table A. First-Time Homebuyer Tax Credit for Homes Purchased in 2010, by State, FY 2010
• Table 1. Internal Revenue Collections and Refunds, by Type of Tax, FYs 2009 & 2010
• Table 2. Number of Returns Filed, by Type of Return, FYs 2009 & 2010
• Table 3. Number of Returns Filed, by Type of Return and State, FY 2010
• Table 4. Number of Returns Filed Electronically, by Type of Return and State, FY 2010
• Table 5. Internal Revenue Gross Collections, by Type of Tax and State, FY 2010
• Table 6. Internal Revenue Gross Collections, by Type of Tax, FYs 1960–2010
• Table 7. Number of Internal Revenue Refunds Issued, by Type of Refund and State, FY 2010
• Table 8. Amount of Internal Revenue Refunds Issued, Including Interest, by Type of Refund and State, FY 2010

Enforcement: Examinations

• Table 9a. Examination Coverage: Recommended and Average Recommended Additional Tax After Examination, by Type and Size of Return, FY 2010
• Table 9b. Examination Coverage: Individual Income Tax Returns Examined, by Size of AGI, FY 2010
• Table 10. Examination Coverage: Returns Examined with Unagreed Recommended Additional Tax After Examination, by Type and Size of Return, FY 2010
• Table 11. Examination Coverage: Returns Examined Involving Protection of Revenue Base, by Type and Size of Return, FY 2010
• Table 12. Examination Coverage: Returns Examined Resulting in Refunds, by Type and Size of Return, FY 2010
• Table 13. Returns of Tax-Exempt Organizations, Employee Plans, Government Entities, and Tax-Exempt Bonds Examined, by Type of Return, FY 2010

Enforcement: Information Reporting and Verification

• Table 14. Information Reporting Program, FY 2010
• Table 15. Math Errors on Individual Income Tax Returns, by Type of Error, Calendar Year 2010

Enforcement: Collections, Penalties, and Criminal Investigation

• Table 16. Delinquent Collection Activities, FYs 2007–2010
• Table 17. Civil Penalties Assessed and Abated, by Type of Tax and Type of Penalty, FY 2010
• Table 18. Criminal Investigation Program, by Status or Disposition, FY 2010

Taxpayer Assistance

• Table 19. IRS Taxpayer Assistance and Education Programs for Individual Taxpayers, by Type of Assistance or Program, FY 2010
• Table 20. Taxpayer Advocate Service: Postfiling Taxpayer Assistance Program, by Type of Issue and Relief, FY 2010
• Table 21. Appeals Workload, by Type of Case, FY 2010

Tax-Exempt Activities

• Table 22. Tax-Exempt Guidance and Other Regulatory Activities, FY 2010
• Table 23. Determination Letters Issued on Employee Pension Plans, by Type and Disposition of Plan, FY 2010
• Table 24. Applications for Tax-Exempt Status, by Organization Type and Internal Revenue Code Section, FY 2010
• Table 25. Tax-Exempt Organizations and Nonexempt Charitable Trusts, FYs 2007–2010

Chief Counsel

• Table 26. Chief Counsel Workload: All Cases, by Office and Type of Case or Activity, FY 2010
• Table 27. Chief Counsel Workload: Tax Litigation Cases, by Type of Case, FY 2010

IRS Budget and Workforce

• Table 28. Costs Incurred by the Internal Revenue Service, by Budget Activity, FYs 2009 & 2010
• Table 29. IRS Collections, Costs, Personnel, and U.S. Population, FYs 1980–2010
• Table 30. IRS Personnel Summary, by Employment Status, Budget Activity, and Selected Type of Personnel, FYs 2009 & 2010
• Table 31. IRS Labor Force, Compared to National Totals for Civilian and Federal Labor Forces, by Race/Ethnicity and Gender, FY 2010