Check the first page of last year’s federal tax return
Look for Form 1040, line 11
Use the AGI from your IRS tax transcript if you do not have the return
Access your IRS online account to view the tax transcript
Use the exact AGI from the prior-year return when e-filing
If you filed jointly last year, use the joint AGI from that return
If you did not file last year, enter 0 or leave blank if the system allows it