If you filed a joint return last year, you will use the AGI
from the joint return for both of you. The AGI will be the same for you both. If you filed separate returns last year, then you will each need to use the AGI from your individual return .
See the TurboTax FAQ below for instructions on how to find your last year's AGI
on your tax forms.
https://ttlc.intuit.com/replies/3301618
