How to find your Adjusted Gross Income (AGI) to file your tax return electronically
For tax years beginning in 2018, Forms 1040A and EZ are no longer available. They have been replaced by the new 1040 and 1040-SR forms. For those filing returns from prior years, you can continue to use Form 1040A or EZ for tax years until 2017.
If you plan to e-file your income tax returnYou may need to first find the AGI amount from last year’s return so that the IRS can verify your identity. You can find your AGI on the form you used to file your return for last year.
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Find your AGI
Different versions of Form 1040 reflect the AGI amount on different lines:
- Line 11 on Form 1040 and 1040-SR (for the 2020 tax year)
- Line 8b activated Form 1040 and 1040-SR (for the 2019 tax year)
- Line 7 of Form 1040 (for the 2018 tax year)
- Line 21 on Form 1040A (for tax years before 2018)
- Line 4 activated Form 1040EZ (for tax years before 2018)
- Line 35 of Form 1040NR
You can find the name of your tax form in the upper left corner of your return.
If you’ve used online tax software, you can usually go online and download a copy of your 1040 tax return from the previous year to find your AGI.
If you’ve used TurboTax, read this helpful FAQ on where to find last year’s AGI sign this year’s income tax return.
Determination of the AGI
The IRS defines AGI as “gross income less income adjustments”. Depending on the adjustments that are allowed to you, your AGI will be equal to or less than the total amount of income or gains you realized for the tax year. Remember to consider all of the sources of income that contribute to your AGI, including:
- Salary on a W-2 Where form 1099
- Income from self-employment on a Annex C
- Interest and dividends
- Support payments for a former spouse (for agreements prior to 2019)
- Capital gains
- Rental income
- Other income subject to income tax
The AGI does not include exemptions or standard or detailed tax deductions, then set them aside to be included in your taxable income later.
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Importance of AGI
Your AGI affects many tax deductions and credits that you can claim at tax time. This is especially important because deductions and credits can increase your tax refund or reduce the amount of tax you owe. Depending on your reporting status, you may be subject to an AGI limit – a dollar amount that limits the deductions you can take – which generally applies to high-income earners. In general, the more deductions and credits you take, the lower your taxable income.
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