2023 Adjusted gross income (AGI) was reported on line 11 on the 2023 1040 income tax return.
Current and previous year's tax records and transcripts are available at the IRS website and through your IRS online account.
If you filed the prior year tax return through your TurboTax account, select Tax Home in the upper left hand corner of the screen. Click the down arrow to the right of Your tax returns & documents.
If you filed with TurboTax the previous year but did not use the TurboTax account that you are in, see how to access your other TurboTax accounts.
See How do I find last years AGI?
If you did not file a tax return in 2023, enter “0” for last year’s AGI when efiling.