Your payment amount depends on your earnings history, not your condition

Social Security Disability Insurance (SSDI) pays you a monthly amount based on how much you earned before you became unable to work. The Social Security Administration calculates this from your tax records going back to age 21. Two people with the same medical condition can receive very different payments because SSDI is an earnings-based program, not a needs-based one.

Your payment is called your Primary Insurance Amount (PIA). Social Security uses a formula that weights your highest 35 years of earnings, then applies a bend-point calculation that replaces a higher percentage of lower earnings than higher earnings. The result is that someone who earned $20,000 a year will see a larger percentage of their past income replaced than someone who earned $80,000 a year.

The actual dollar amount you receive changes each year because Social Security adjusts all payments by the Cost of Living Adjustment (COLA). This percentage varies annually based on inflation. In 2024, the average SSDI payment was approximately $1,550 per month, but this is an average across all beneficiaries—your individual payment could be substantially higher or lower.

Key Takeaways

  • Your SSDI payment is calculated from your actual earnings record, so two people with identical disabilities can receive different amounts.
  • Social Security uses your highest 35 years of earnings to calculate your benefit, and the formula replaces a larger percentage of lower earnings than higher earnings.
  • You can request a benefit estimate from Social Security before you file, using your online account or by calling 1-800-772-1213.
  • Your payment increases each January when Social Security applies the annual Cost of Living Adjustment, which varies year to year.
  • If you worked very few years or earned very little, your SSDI payment may be lower than Supplemental Security Income (SSI), and you may be able to receive both programs.

How Social Security calculates your specific payment

Social Security pulls your earnings record from the tax returns you and your employers filed over your working life. They identify your 35 highest-earning years and average them together, adjusted for wage growth over time. This creates your Average Indexed Monthly Earnings (AIME). Then they explore a bend-point formula to your AIME to arrive at your PIA.

The bend points change each year. For 2024, the formula roughly replaces 90 percent of your first $1,174 in average monthly earnings, 32 percent of earnings between $1,174 and $7,078, and 15 percent of earnings above $7,078. This means if you averaged $2,000 a month, you would receive roughly $1,056 (90% of $1,174 plus 32% of $826). If you averaged $6,000 a month, you would receive roughly $2,572.

If you have not worked 35 years, Social Security counts the missing years as zero. This significantly lowers your average and your payment. Someone who worked only 20 years will have 15 years of zeros in their calculation, which pulls down their AIME and their final payment amount.

Getting an estimate before you file

You do not have to wait until you file to know roughly what you will receive. You can create a my Social Security account at ssa.gov and view your earnings record and benefit estimate. The estimate shows what you would receive at different ages if you were to file today. This takes about 15 minutes and requires your Social Security number, email address, and a way to verify your identity (usually a phone number or state ID).

If you do not want to create an online account, you can call Social Security at 1-800-772-1213 and ask for a benefit estimate over the phone. A representative can tell you the approximate amount based on your earnings record. You can also request a paper form SSA-7050-F-U, which Social Security will mail to you with your estimate.

Keep in mind that an estimate assumes you continue working at your current rate until you file. If your earnings have changed significantly or you have not worked recently, the estimate may be higher or lower than your actual payment once you file.

What happens to your payment if you work while receiving SSDI

If you return to work after you start receiving SSDI, your payment does not automatically stop. Instead, Social Security applies an earnings limit called the Substantial Gainful Activity (SGA) threshold. For 2024, if you earn more than $1,550 per month (this amount changes annually), Social Security may consider you no longer disabled and stop your benefits.

However, SSDI includes work incentives that let you test your ability to work without when ready losing your payment. The Trial Work Period lets you earn any amount for nine months without affecting your SSDI payment. After the trial work period ends, you enter the Extended may be able to access Period, which lasts 36 months. During this time, you lose one month of benefits for each month you earn over the SGA threshold, but you keep Medicare coverage.

If you earn below the SGA threshold, your SSDI payment continues in full. Many people on SSDI work part-time or do occasional work that keeps them under the limit. You should report any work to Social Security within 30 days so they can adjust your payment correctly.

Cost of Living Adjustments and how your payment changes

Every January, Social Security increases all SSDI payments by a percentage called the Cost of Living Adjustment (COLA). This adjustment is meant to keep your payment from losing purchasing power as prices rise. The percentage is based on the Consumer Price Index for Urban Wage Earners and Clerical Workers (CPI-W) measured from the third quarter of one year to the third quarter of the next.

COLA varies significantly from year to year. In recent years it has ranged from 0 percent (in 2010 and 2011) to 8.7 percent (in 2023). You will receive a notice in December showing your new payment amount for January. The adjustment applies automatically—you do not have to do anything to receive it.

Your payment also changes if your family situation changes. If you have a spouse or child who becomes a beneficiary on your record, they receive their own payment, but your payment itself does not change. If a family member stops being a beneficiary, their payment stops but yours continues.

When your payment might be lower than you expect

If you have very few work years or very low lifetime earnings, your SSDI payment may be quite small. Social Security has a minimum payment amount that applies to people with very limited work histories, though this minimum is not a fixed dollar amount—it depends on your specific earnings record.

You may also receive a reduced payment if you have a criminal conviction or if you are receiving workers' compensation or public disability benefits from another source. Some government pensions can also offset your SSDI payment, though this rule applies mainly to people who worked for federal, state, or local government and did not pay into Social Security.

If your SSDI payment is very low, you may be able to receive Supplemental Security Income (SSI) at the same time. SSI is a needs-based program that tops up your income if you have limited resources and your SSDI payment is below the SSI federal benefit rate (approximately $943 per month in 2024, though this varies by state). You would need to file for SSI separately, and your state may add additional money on top of the federal amount.

How family members' payments are calculated

If you receive SSDI, your spouse and children may also receive payments based on your earnings record. Your spouse can receive up to 50 percent of your PIA at full retirement age, or a reduced amount if they claim earlier. Your children can each receive up to 75 percent of your PIA until age 19 (or 19 if still in high school, or indefinitely if disabled before age 22).

However, there is a family maximum. The total amount paid to you and all your family members combined cannot exceed 150 to 180 percent of your PIA. If your family would exceed this maximum, each family member's payment is reduced proportionally. For example, if your PIA is $1,500 and your family maximum is $2,700, and you have a spouse and two children who would each receive $750, the total would be $3,000. Social Security would reduce each payment so the total equals $2,700.

Family members must file separately to receive their payments. They will need to provide proof of their relationship to you (birth certificate, marriage certificate) and proof of citizenship or legal residency. Each family member receives their own payment directly.

Frequently Asked Questions

Can I find out my exact SSDI payment amount before I file?

You can get a close estimate through your my Social Security account or by calling 1-800-772-1213, but the exact amount is determined when you file because Social Security verifies your complete earnings record at that time. The estimate is usually accurate within a few dollars, but it assumes your earnings record is complete and correct.

What if I worked outside the United States—does that count toward my SSDI payment?

Only earnings on which you paid Social Security taxes count toward your SSDI payment. If you worked for a U.S. employer or were self-employed and paid Social Security taxes, those earnings are on your record. Work in other countries generally does not count unless you were working for a U.S. employer or paid into Social Security voluntarily.

Does my SSDI payment change if I move to a different state?

No. Your SSDI payment is the same regardless of where you live in the United States. However, if you move outside the U.S., your payment may be affected depending on the country and your citizenship status. You should notify Social Security before moving internationally.

If I was denied SSDI, would I receive a different amount if I appealed and won?

Your payment amount would be the same whether you won on your first process or after an appeal. However, if you win after an appeal, you may receive back pay—a lump sum covering the months between when you first filed and when you were approved. Your representative's fee (up to 25 percent of back pay) is taken from the back pay, not from your ongoing monthly payment.

What if my earnings record has mistakes on it?

You should correct errors in your earnings record before you file for SSDI, because mistakes lower your payment. You can view your record in your my Social Security account and request corrections by contacting Social Security with documentation like tax returns or W-2 forms. Corrections can take several months, so start early if you notice discrepancies.