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The entire publication is in Adobe Acrobat PDF. A free is available for download, if needed.

The following tables are available as Microsoft Excel? files. A free is available for download, if needed.

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Data Book, fiscal year 2006

The files shown below come from the Internal Revenue Service Data Book 2006, Publication 55B, Washington, DC, issued March 2007.

• Complete 2006 Data Book publication PDF

Tables by title:

Returns filed, taxes collected and refunds issued PDF

Table 1: Internal Revenue collections and refunds, by type of tax, fiscal years 2005 and 2006 XLS

Table 2: Numbers of returns filed, by type of return, fiscal years 2005 and 2006 XLS

Table 3: Number of returns filed, by type of return and state, fiscal year 2006 XLS

Table 4: Number of returns filed electronically, by type of return and state, fiscal year 2006 XLS

Table 5: Internal Revenue gross collections, by type of tax and state, fiscal year 2006 XLS

Table 6: Internal Revenue gross collections by type of tax, fiscal years 1960-2006 XLS

Table 7: Number of Internal Revenue refunds issued, by state, fiscal year 2006 XLS

Table 8: Amount of Internal Revenue refunds issued, including interest, by state, fiscal year 2006 XLS

Enforcement: Examinations PDF

Table 9: Examination coverage: Recommendation and average recommended additional tax after examination, by type and size of return, fiscal year 2006 (Revised April 2009)

Table 10: Examination coverage: Returns examined with unagreed recommended additional tax after examination, by type and size of return, fiscal year 2006 (Revised April 2009)

Table 11: Examination coverage: Returns examined involving protection of revenue base, by type and size of return, fiscal year 2006 XLS

Table 12: Examination coverage: Returns examined resulting in refunds, by type and size of return, fiscal year 2006 (Revised April 2009)

Table 13: Returns of tax-exempt organizations, employee plans, and government entities examined, by type of return, fiscal year 2006 XLS

Enforcement: Information reporting and verification PDF

Table 14: Information Reporting Program, fiscal year 2006 XLS

Table 15: Number of math errors, by type of error, calendar year 2006 XLS

Enforcement: Collections, penalties, and criminal investigation PDF

Table 16: Delinquent collection activities, fiscal years 2003-2006 XLS

Table 17: Civil penalties assessed and abated, by type of tax and type of penalty, fiscal year 2006 (Revised Sept. 2007)

Table 18: Criminal Investigation Program, by status or disposition, fiscal year 2006 XLS

Taxpayer assistance PDF

Table 19: Internal Revenue Service taxpayer assistance and education programs for individual taxpayers, by type of assistance or program, fiscal year 2006 XLS

Table 20: Taxpayer Advocate Service: Postfiling taxpayer assistance program, by type of issue and relief, fiscal year 2006 XLS

Table 21: Appeals workload, by type of case, fiscal year 2006 XLS

Tax-exempt activities PDF

Table 22: Tax-exempt guidance and other regulatory activities, fiscal year 2006 XLS

Table 23: Determination Letters issued on employee pension plans, by type and disposition of plan, fiscal year 2006 XLS

Table 24: Tax-exempt organization and other entity applications or disposals, by type of organization and Internal Revenue Code section, fiscal year 2006 XLS

Table 25: Tax-exempt organizations and nonexempt charitable trust, fiscal years 2003-2006 XLS

Chief Counsel PDF

Table 26: Chief Counsel workload, by office and type of case or activity, fiscal year 2006 XLS

Table 27: Chief Counsel workload: Tax litigation, by type of case, fiscal year 2006 XLS

IRS budget and workforce PDF

Table 28: Costs incurred by the Internal Revenue Service, by budget activity, fiscal years 2005 and 2006 XLS

Table 29: Internal Revenue Service collections, costs, personnel, and U.S. population, fiscal years 1971-2006 XLS

Table 30: Internal Revenue Service personnel summary, by employment status, budget activity, and type of personnel, fiscal years 2005 and 2006 XLS

Table 31: Internal Revenue Service labor force, compared to national totals for civilian and federal labor forces, by race, national origin, and gender, fiscal year 2006 XLS

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Fiscal Year: 2005

The files shown below come from the Internal Revenue Service Data Book 2005, Publication 55B, Washington, DC, issued March 2006.

• Complete 2005 Data Book publication PDF

Tables by title:

Amount of Internal Revenue refunds issued, including interest, by state XLSAppeals workload, by status and type of case XLS

Chief Counsel workload, by office and type of case or activity XLS

Chief Counsel workload: Tax litigation, by type of case XLS

Civil penalties assessed and abated, by type of penalty and type of tax (Revised Sept. 2007)

Costs incurred by the Internal Revenue Service, by budget activity, fiscal years 2004 and 2005 XLS

Criminal Investigation Program, by status or disposition XLS

Delinquent collection activities, fiscal years 2002-2005 XLS

Determination Letters issued on employee pension plans, by type and disposition of plan XLS

Employee plans and tax-exempt organizations: Guidance and closings XLS

Examination coverage: Recommended and average recommended additional tax after examination, by type and size of return (Revised Sept. 2007)

Examination coverage: Returns examined involving protection of revenue base, by type and size of return (Revised Sept. 2007)

Examination coverage: Returns examined resulting in refunds, by type and size of return (Revised Sept. 2007)

Examination coverage: Returns examined with unagreed recommended additional tax after examination, by type and size of return (Revised Sept. 2007)

Information Reporting Program XLS

Internal Revenue collections and refunds, by type of tax, fiscal years 2004 and 2005 XLS

Internal Revenue gross collections, by type of tax and state XLS

Internal Revenue gross collections, by type of tax, fiscal years 1960-2005 XLS

Internal Revenue Service collections, costs, personnel, and U.S. population, fiscal years 1971-2005 XLS

Internal Revenue Service labor force, compared to national totals for civilian and federal labor forces, by race, national origin, and gender XLS

Internal Revenue Service personnel summary, by employment status, budget activity, and type of personnel, fiscal years 2004 and 2005 XLS

Internal Revenue Service taxpayer assistance and education programs for individual taxpayers, by type of assistance or program XLS

Number of Internal Revenue refunds issued, by state XLS

Number of returns filed, by type of return and state XLS

Number of returns filed, by type of return, fiscal years 2004 and 2005 XLS

Number of returns filed electronically, by type of return and state XLS

Returns of tax-exempt organizations and employee plans examined, and recommended additional tax after examination, by type of examination XLS

Returns of tax-exempt organizations, employee plans, and tax-exempt bonds examined, by type of return XLS

Selected information from returns filed XLS

Tax-exempt organization and other entity applications or disposals, by type of organization and Internal Revenue Code section XLSTax-exempt organizations and other entities listed on the exempt organization business master file, by type of organization and Internal Revenue Code section, fiscal years 2002-2005 XLS

Taxpayer Advocate Service: Post-filing taxpayer assistance program, by type of relief and issues XLS

Taxpayer contact information, by type of math error and selected program XLS

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Fiscal Year: 2004

The files shown below come from the Internal Revenue Service Data Book 2004, Publication 55B, Washington, DC, issued March 2005.

• Complete 2004 Data Book publication PDF

The following tables are available in Excel ver. 4 format. All of these tables are also available in Adobe Acrobat PDF format as part of the file listed above.

Tables by title:

Amount of Internal Revenue refunds issued, including interest, by state XLS

Appeals workload, by status and type of case XLS

Chief Counsel workload, by office and type of case or activity XLS

Chief Counsel workload: Tax litigation, by type of case XLS

Civil penalties assessed and abated, by type of penalty and type of tax XLS

Costs incurred by the Internal Revenue Service, by budget activity, fiscal years 2003 and 2004 XLS

Criminal Investigation Program, by status or disposition XLS

Delinquent collection activities, fiscal years 2001-2004 XLS

Determination Letters issued on employee benefit plans, by type and disposition of plan XLS

Employee plans and tax-exempt organizations: Guidance and closings XLS

Examination coverage: Recommended and average recommended additional tax after examination, by type and size of return (Revised Sept. 2007)

Examination coverage: Returns examined involving protection of revenue base, by type and size of return (Revised Sept. 2007)

Examination coverage: Returns examined resulting in refunds, by type and size of return (Revised Sept. 2007)

Examination coverage: Returns examined with unagreed recommended additional tax after examination, by type and size of return (Revised Sept. 2007)

Information Reporting Program XLS

Internal Revenue collections, costs, personnel, and U.S. Population, fiscal years 1971-2004 XLS

Internal Revenue gross collections, by state XLS

Internal Revenue gross collections, by type of tax, fiscal years 1960-2004 XLS

Internal Revenue Service labor force, compared to national totals for civilian and federal labor forces, by race, national origin, and gender XLS

Internal Revenue Service personnel summary, by budget activity and type of personnel, fiscal years 2003 and 2004 XLS

Internal Revenue Service taxpayer assistance and education programs, by type of assistance or program XLS.

Number of Internal Revenue refunds issued, by state XLS

Number of returns filed, by type of return and state XLS

Number of returns filed electronically, by type of return and state XLS

Returns of tax-exempt organizations and employee plans examined, and recommended additional tax after examination, by type of examination XLS

Returns of tax-exempt organizations, employee plans and tax-exempt bonds examined, by type of return XLS

Selected information from returns filed XLS

Summary of Internal Revenue collections and refunds, by type of tax, fiscal years 2003 and 2004 XLS

Summary of number of returns filed, by type of return, fiscal years 2003 and 2004 XLS

Tax-exempt organization and other entity applications or disposals, by type of organization and Internal Revenue Code section XLS

Tax-exempt organizations and other entities listed on the exempt organization business master file, by type of organization and Internal Revenue Code section, fiscal years 2001-2004 XLS

Taxpayer Advocate Service: Post-filing taxpayer assistance program, by type of relief and issues XLS

Taxpayer contact information, by type of math error and selected program, 2003 and 2004 XLS

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