SSA’s own worked example shows why unearned income cuts an SSI check almost dollar for dollar while wages are treated far more gently, and why the household still ends the month with more.
Receiving Supplemental Security Income (SSI) and a Social Security benefit at the same time is common, and the Social Security Administration (SSA) reduces the SSI side according to a fixed formula. In the agency’s own worked example, $300 a month of Social Security income minus the $20 general income exclusion leaves $280 in countable income; subtracted from the 2026 federal benefit rate of $994, that produces an SSI payment of $714. The arithmetic is set out in SSA’s Understanding SSI guide.
The $20 that has not moved since 1974
The general income exclusion is the first $20 of most income in a month, and it has been $20 since 1974. Everything above it counts in full when the income is unearned, which is what a Social Security retirement, survivor or disability benefit is.
That is why the reduction feels close to dollar for dollar. In the example above, $300 of Social Security cost $280 of SSI. The 2026 federal benefit rate is $994 for an individual and $1,491 for a couple, published on SSA’s SSI benefit page, and countable income comes straight off the top of it.
Earned income: $65 and half of the rest
Wages are treated differently. The earned income exclusion is $65 a month plus half of everything above that, and the $20 general exclusion is applied first if there is no unearned income to absorb it.
By way of illustration, using the same $300 but as wages rather than a benefit: $300 minus $20 leaves $280, minus the $65 earned income exclusion leaves $215, and half of that is $107.50 of countable income. Subtracted from $994, the SSI payment would be about $886.50. The same $300 costs $280 of SSI when it arrives as a benefit and roughly $107.50 when it arrives as a paycheck.
Why a raise or a small survivor benefit shrinks the check
This is the mechanism behind a change many households experience as a penalty. A newly awarded survivor benefit, a small pension or a Social Security payment that starts mid-year is unearned income, so after the first $20 it displaces SSI almost exactly. A raise at work displaces far less, because only about half of the additional wages count.
It is worth remembering that the resource rules run in parallel and are separate from income: $2,000 for an individual and $3,000 for a couple, with the home, one vehicle, household goods, burial funds up to $1,500 and ABLE balances up to $100,000 excluded, according to SSA’s resources page.
The household still comes out ahead
Even so, the offset never takes more than it gives. In SSA’s example, the household receives $300 of Social Security plus $714 of SSI, a total of $1,014 a month against the $994 it would have had from SSI alone. On the earned income illustration, $300 in wages plus about $886.50 of SSI comes to roughly $1,186.50.
By contrast, refusing income to protect an SSI payment leaves the household with less, not more. The formula is designed so that additional income raises total resources, and the effect is far stronger for wages than for benefits.
What happens to the payment date
People who receive both SSI and Social Security are paid on the 3rd of the month rather than on a birth-date Wednesday, which is why their September payment falls on Thursday, September 3.
If we look at the data, SSA counted 7.3 million SSI recipients in July 2026, with an average payment of $736.54 a month, well below the $994 federal maximum. The gap is largely this formula at work: most recipients have some other income, and the countable share of it comes off the federal rate before the check is issued.
