Information For...

For you and your family
Standard mileage and other information

Forms and Instructions

Individual Tax Return
Instructions for Form 1040
Request for Taxpayer Identification Number (TIN) and Certification
Request for Transcript of Tax Return

 

Employee's Withholding Allowance Certificate
Employer's Quarterly Federal Tax Return
Employers engaged in a trade or business who pay compensation
Installment Agreement Request

Popular For Tax Pros

Amend/Fix Return
Apply for Power of Attorney
Apply for an ITIN
Rules Governing Practice before IRS

Monthly Yield Curve Tables

Historical Yield Curve Spot Rates
This spreadsheet contains the monthly average spot rates for maturities from 0.5 years to 100 years for the monthly yield curves from October 2003 through September 2007.  
 
Recent Yield Curve Spot Rates 
This spreadsheet contains the monthly average spot rates for maturities from 0.5 years to 100 years for the monthly yield curves from October 2007 through May 2018.