Citizens for Tax Justice

Citizens for Tax Justice is a nonprofit research and advocacy organization dedicated to fair taxation at the federal, state, and local levels. Many publications are available on their website (e.g., articles on flat tax, Social Security, and recent tax legislation).

Internal Revenue Service

This is the U.S. Department of Treasury’s Internal Revenue Service (IRS) website with complete and searchable federal tax information for individuals, businesses, charities, etc. Tax Tables are available in the instruction booklets for all tax forms. The IRS website also provides the latest information on electronic filing.

IRS withholdings calculator

The IRS withholdings calculator is a good tool for determining the exact amount of money you can ask your employer to deduct from your paycheck.

Tax Foundation

The Tax Foundation’s mission is to educate the public about taxation in lay terms. Since 1937, this nonprofit research organization has analyzed tax and budget policy from all levels of government and published its findings. Current reports and charts on tax legislation are posted on this site.

Understanding Taxes

For educators, the IRS’s Understanding Taxes program features lesson plans divided into the Hows of Taxes and the Whys of Taxes. Understanding Taxes offers print and online materials addressing the history, theory, and application of taxes in the United States. The program is also available in Spanish.