Line 7 of your 2018 1040 form.
Finding Your AGI
Various versions of Form 1040 reflect the AGI amount on different lines:
- Line 8b on Form 1040 (for tax year 2019)
- Line 8b on Form 1040-SR (for tax year 2019)
- Line 7 on Form 1040 (for tax year 2018)
- Line 21 on Form 1040A (for tax years before 2018)
- Line 4 on Form 1040EZ (for tax years before 2018)
- Line 35 on Form 1040NR
