If you have not filed a return for 2015 you would enter a 0 for your AGI.
Your 2015 Adjusted Gross Income (AGI) will be in TurboTax – as long as you’re using the same account as last year.
Not sure which account you’re in?
Let’s get you into the account that has your prior year return so we can locate your 2015 AGI:
Where else can I find last year’s AGI?
A great place to find your 2015 AGI is on last year's original unamended tax return.
To get your AGI from a printout or PDF of your return
Select the type of 1040 you filed last year:
We’re here to help you get your AGI, but if you’ve tried the methods above and still can’t find it, you can get your AGI directly from the source. Here’s how to order an IRS return transcript.
How to file if you can't get your AGI
Don't worry if you can’t get last year's AGI for e-file. You can still file a paper return by printing out copies of your federal and state returns and mailing them in. For information on where to send your federal return, go to the IRS site Where to File Paper Tax Returns With or Without a Payment.