Your AGI is listed on Form 1040 line 11, and you can also pull it from your IRS online account or a free tax return transcript.
If you’ve ever hit a screen that asks for your “AGI number,” you’re not alone. It often pops up when you e-file, verify your identity, apply for certain benefits, or move tax info into a new app. The good news: this is not a mystery number. It’s a single line on your tax return, and there are a few clean ways to retrieve it even if you don’t have last year’s paperwork on hand.
This article walks you through the fastest places to look, what to do if your return is missing or still processing, and how to avoid the common mistakes that cause rejects.
What “AGI Number” Means In Plain Terms
AGI stands for adjusted gross income. It’s the income figure the IRS uses as a starting point for a lot of tax calculations. When software asks for your “AGI number,” it almost always means your prior-year AGI, used as an identity check during e-filing.
Two quick clarifiers that save time:
- AGI is not your refund. A refund is a result after credits, withholding, and other items.
- AGI is not your wages alone. It blends multiple income types, then subtracts certain adjustments.
If you filed a standard individual return, your AGI is usually on Form 1040 line 11. The IRS states where it appears and where to retrieve it for a prior year on its AGI guidance page. Where the IRS says to find your AGI is the cleanest starting point if you want the official answer.
How To Find Your AGI Number For E-Filing And Forms
Start with the most direct route, then move to backups. In most cases, you’ll be done in under five minutes.
Check Your Form 1040 Line 11
If you have last year’s return (PDF, printed copy, or tax software file), open Form 1040 and look for line 11. That number is the AGI most systems want.
A few details that prevent mix-ups:
- Use the prior-year return if you’re filing the current year.
- Enter the number exactly, including any minus sign if it’s negative.
- Don’t copy a “taxable income” line by mistake. It’s a different figure.
Pull It From Your IRS Online Account
If you can’t find your saved return, the next fastest option is the IRS online account. It can show prior-year records, including the AGI for the year you select. The IRS lists this route as a way to retrieve a prior-year AGI on its AGI page and also in its definition notes for providers. IRS definition and “where to find” notes also point back to Form 1040 line 11 and the online account option.
When you sign in, you’re looking for the tax year you need and the section that displays return details or transcripts. The labels can vary as the site layout changes, but the target is steady: the prior-year AGI value tied to that return year.
Use A Free Tax Return Transcript When You Don’t Have The Return
If you can’t access your online account, or you’d rather not, request a tax return transcript. A transcript is not the same as a full copy of your return, but it usually has the numbers you need for verification.
The IRS transcript page explains how to get records and what’s available. Get Transcript on IRS.gov describes viewing or downloading transcripts through your account and other request paths.
When you receive the transcript, look for the adjusted gross income line item for the tax year you need. If the transcript offers multiple transcript types, choose the one that matches what the IRS recommends for return data. If you’re unsure, the “Tax Return Transcript” is often the one people mean when they say “return transcript.”
Ask Your Prior Preparer If They Filed For You
If a paid preparer filed your prior return, they may still have a copy. The IRS notes that a preparer can be a source for a prior-year copy when you need verification for e-file. The benefit is speed: you might get the PDF the same day, then grab line 11 and move on.
If you go this route, request the exact year you need, and ask for the Form 1040 pages, not just a summary sheet.
What Year’s AGI You Should Use
This part trips people up. The “AGI number” request is usually for identity verification when e-filing, so it wants the AGI from the tax return for the prior year.
Here’s a clean way to think about it:
- If you’re filing this year’s return, enter the AGI from last year’s return.
- If you’re amending a return, follow the prompts. Some systems want the original AGI from the original filing, not a revised figure.
If you’re filing jointly, be consistent with what the software asks. Some systems request the primary taxpayer’s prior-year AGI, while others accept the joint AGI as shown on the joint return. Read the prompt on screen and match it.
Where To Find Your AGI Number In Common Situations
Not everyone has the same paperwork or filing history. Use the row that matches your situation and go straight to the best source.
| Situation | Best Place To Find It | What You’ll Need |
|---|---|---|
| You have last year’s return PDF | Form 1040 line 11 | PDF or printed copy |
| You filed with tax software | Return summary, then Form 1040 line 11 | Login to the same software |
| You can’t find your return at home | IRS online account | Identity verification for sign-in |
| You can’t access online account | Tax return transcript request | Mailing address, identity details |
| A preparer filed for you | Request last year’s filed Form 1040 | Name, filing year, contact method |
| You filed jointly last year | Line 11 on the joint Form 1040 | The joint return copy |
| Your prior-year AGI was negative | Form 1040 line 11 (with minus sign) | Exact punctuation and sign |
| Your return is still processing | Follow IRS e-file validation instructions | Guidance for the filing year |
| You did not file last year | Enter “0” if the system asks for prior-year AGI | Confirm you truly didn’t file |
When Your Return Is Still Processing And The AGI Doesn’t Work
Sometimes you have the right number and it still rejects. A common reason: last year’s return has not fully processed yet, or the IRS records don’t match what you’re entering. In that case, the IRS has specific guidance for e-file validation, including a “0” entry in certain situations.
The IRS e-file validation page spells out what to enter when the prior-year return hasn’t been processed for the purpose of getting the current return accepted. IRS e-file validation instructions are worth reading if you’re stuck in a reject loop.
If you’re using software, you may also see a second identity option called a “self-select PIN.” Some filers can use that instead of AGI, depending on what they set up in the prior year. If you don’t know you created one, don’t guess. Use the AGI route first.
Common AGI Entry Problems And How To Fix Them
If your software says “AGI mismatch” or “prior-year AGI rejected,” it usually comes down to one of a handful of issues. Fix the root cause, then retransmit.
| Problem You See | What’s Usually Going On | Fix That Works |
|---|---|---|
| Entered current-year AGI by mistake | You used the return you’re filing now | Use last year’s Form 1040 line 11 |
| Typed taxable income instead of AGI | Copied from the wrong line | Go back to Form 1040 line 11 |
| Left out a minus sign | Negative AGI needs the sign | Re-enter the number with the minus sign |
| Return still processing | IRS hasn’t finalized the prior return record | Follow IRS validation guidance for the year |
| Filed jointly last year, filing solo now | Mismatch between what the system expects and what you entered | Use the joint return’s line 11 figure unless the prompt asks for a different value |
| Used a transcript for the wrong year | You pulled the latest transcript, not the prior year needed | Select the correct tax year before copying the AGI |
| Amended return confusion | Software may want the original filed AGI | Follow the prompt, then use the original AGI unless it asks for amended AGI |
| No return filed last year | System still asks for prior-year AGI | Enter 0 when you truly did not file |
AGI Versus MAGI: Don’t Grab The Wrong Number
Some sites and benefit forms ask for MAGI (modified adjusted gross income). MAGI often starts with AGI, then adds back selected items. For many filers, AGI and MAGI look close, but they’re not always the same.
If a form asks for MAGI, don’t paste line 11 and hope it passes. Check the instructions for that program and use the method it states. The IRS explains MAGI as a separate calculation that begins with AGI from line 11 and then adjusts per the benefit rules. If the form is asking for “AGI number” for e-file identity, you want line 11.
Quick Safety Moves While You’re Pulling Tax Records
When you’re digging up return data, you’re working with material that can be used for identity fraud. Keep the steps simple and keep your info tight.
Use Official Portals For Retrieval
Stick with IRS.gov pages for account access and transcripts, and avoid random “tax record” sites. If you need an extra layer of protection, the IRS offers an Identity Protection PIN you can request and retrieve through your IRS online account. How to get an IRS IP PIN explains the official process.
Save Your AGI In A Way That Doesn’t Create A Headache Later
A good approach is to keep a copy of the filed Form 1040 PDF in a password-protected folder, then note “AGI = line 11” in your personal filing notes. You don’t need to store the number in plain text in an email draft or a sticky note on your desktop.
A Simple Checklist Before You Hit Submit
Do this once, and you’ll dodge most e-file rejections tied to AGI.
- Confirm you’re using the prior tax year’s return.
- Open Form 1040 and locate line 11.
- Copy the number exactly, including a minus sign if present.
- If you don’t have the return, pull it from your IRS account or a transcript.
- If the IRS says your prior return is still processing, follow the IRS validation instructions for what to enter.
Once you’re through the identity check, you can move on to the parts that actually shape your tax result. The “AGI number” step is just the gate.
References & Sources
- Internal Revenue Service (IRS).“Adjusted gross income.”Shows where AGI appears on Form 1040 and how to retrieve a prior-year AGI.
- Internal Revenue Service (IRS).“Definition of adjusted gross income.”Defines AGI and points to where it is found on Form 1040 line 11.
- Internal Revenue Service (IRS).“Get your tax records and transcripts.”Explains how to access or request transcripts that can show prior-year AGI.
- Internal Revenue Service (IRS).“Validating your electronically filed tax return.”Gives e-file identity steps, including what to enter if a prior return is still processing.
- Internal Revenue Service (IRS).“Get an Identity Protection PIN (IP PIN).”Explains how to request an IP PIN through an IRS online account for added filing protection.