Tax Data, Charts, and Maps
Income Taxes
The U.S. federal individual income tax was enacted in 1913 following the passage of the 16th Amendment. Today, most states and a small number of local and municipal governments also collect income taxes. Click here for the Tax Foundation's latest summary of federal individual income tax data.
Additional questions about the income tax? Contact us at (202) 464-6200.
Tax Data from The Tax Foundation
- Major Components of the State Business Tax Climate Index, FY 2012, January 25, 2012
- State Business Tax Climate Index--Individual Income Tax Index, 2011-2012, January 25, 2012
- Summary of 2009 Federal Individual Income Tax Data, October 24, 2011
- Federal Individual Income Tax Returns with Zero or Negative Tax Liability, 1950 - 2009, October 18, 2011
- U.S. Federal Individual Income Tax Rates History, 1913-2011 (Nominal and Inflation-Adjusted Brackets), September 9, 2011
- Number of Local Income Tax Jurisdictions by State, 2011, August 31, 2011
- Local Income Tax Collections as a Percent of State Personal Income, 2008, August 31, 2011
- Local Income Tax Rates by Jurisdiction, 2011, August 31, 2011
- State Individual Income Tax Rates, 2000-2011, March 3, 2011
- State and Local Individual Income Tax Collections Per Capita, Fiscal Year 2008, February 25, 2011
- Income Per Capita by State, Fiscal Year 2009, February 25, 2011
- State Individual Income Tax Collections Per Capita, Fiscal Year 2009, February 24, 2011
- Graph: Tax Burden of Top 1% Now Exceeds That of Bottom 95%, July 29, 2009
- Topline Results for Tax Foundation's 2009 Survey of U.S. Attitudes on Taxes, Government Spending and Wealth Distribution, April 8, 2009
- Summary of Federal Individual Income Tax Data by State, 2006 , August 1, 2008
- Number of Paying and Non-Paying Tax Returns by Type of Return, 2005, June 2, 2008
- Links to State Individual Income Tax Forms, February 15, 2008
- Impact of the Alternative Minimum Tax (AMT) by County, 2005, September 24, 2007
- Impact of the Alternative Minimum Tax (AMT) by Major City Areas, 2005 , September 24, 2007
- Impact of the Alternative Minimum Tax (AMT) by Congressional District, 2005 , September 24, 2007
- Itemization Rates by State, 2005, July 24, 2007
- Impact of the Alternative Minimum Tax (AMT) by State, 2005 , July 18, 2007
- Dividends and Capital Gains Income Compared to Other Income by State, 2005, July 16, 2007
- Impact of Bush Tax Cuts on AMT and Non-AMT Returns for 2007 Under Current Law, May 31, 2007
- Fraction of Each Quintile's Total Tax Burden Accounted for by Each Type of Tax, Calendar Year 2004 , April 1, 2007
- Average Dollar Tax Burdens by Type of Federal Tax, Per Household, Calendar Year 2004 , April 1, 2007
- History of Alternative Minimum Tax (AMT) Returns and Liabilities, 1970-2005, February 22, 2007
- Federal Individual Income Tax Burden by County, 2004, January 17, 2007
- Federal Individual Income Tax Burden by Major City Area, 2004, January 17, 2007
- Federal Individual Income Tax Burden by Congressional District, 2004, January 17, 2007
- Taxable Dividend Income by State, 2000, 2003, December 7, 2005
- 1913 Internal Revenue Service 1040 Form, January 1, 2005
- Dates of Adoption of Major State Taxes, January 1, 2005
Charts
- Chart: Marginal Tax Rates on a Family of Five, June 2, 2011
- How the Pelosi and Baucus Health Care Reform Bills Are Financed, October 30, 2009
Maps
- Growth of High-Income Taxpayers, by Nick Kasprak, August 22, 2011
- Map: Top Marginal State Income Tax Rates, Tax Year 2011, June 2, 2011
- Map: Top State Income Tax Rates, November 23, 2009
- Map: Top Effective Marginal Tax Rates Under House Health Care Plan, November 16, 2009