A child under 18 can collect Social Security on a retired parent’s record, and the payment can reach up to half of what the parent is entitled to at full retirement age. The catch is a cap on the whole family. Once several relatives are drawing on the same worker’s record, Social Security trims the payments to stay under it.

The Social Security Administration puts the child’s share this way in its Benefits for Children booklet: a child can receive up to half of the parent’s full retirement or disability benefit. That is a ceiling for each child, not a promise of that amount.

How much one child can get

Take a retiree whose full benefit is $2,000 a month. Half of that is $1,000, which is the most one child could collect on that record. That figure is only an illustration, and the real number depends on the parent’s own benefit, which is why the amount differs from one family to the next.

The same rule applies when the parent receives disability benefits instead of retirement benefits. The booklet is clear about the word “up to.” A child on a record with a small benefit gets a small payment, and a child on a record with a larger benefit can get more, always measured against half of the parent’s full benefit.

Retirees raising young children or grandchildren have an obvious question: does the child qualify, and for how much? Anyone drawing retirement benefits with a child under 18 in the house, or with a grandchild they support, can use these rules to see whether a claim is worth making. Social Security should be called before counting on any specific figure.

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Which children count

Social Security’s eligibility page for family benefits sets the child rules. A child has to be unmarried and 17 or younger, or 18 to 19 and in school full time, or any age with a disability that began at 21 or younger. The booklet describes the school rule more precisely: a full-time student at an elementary or secondary school, grade 12 or below.

That school rule matters for families with a teenager. A child who turns 18 in senior year can keep drawing until the school rule ends. A child who starts college at 18 does not fit it, because the benefit stops at grade 12 or below. The booklet also says that, under certain circumstances, benefits can go to a stepchild, grandchild, step-grandchild or adopted child.

What the family maximum does to the payments

Social Security’s page on how much family members can receive says there is a limit to how much a family can get, called the family maximum. When needed, payments for the spouse and children are lowered to stay under it. A parent with one child may never notice the limit, but a family with several can see each child’s share fall below half.

The size of that limit is spelled out in the agency’s Understanding the Benefits booklet, which says it is generally about 150% to 180% of the retirement or disability benefit. The children’s booklet puts the same range at 150% to 180% of the parent’s full benefit amount.

Two details can change the math for blended families. Payments to an ex-spouse do not count toward the family maximum, according to the family amount page. And when a person qualifies for more than one benefit, Social Security pays the highest single amount rather than adding them together.

What changes if the parent dies

The up-to-half rule is for a living retiree. The booklet says a child whose parent has died can receive up to 75% of the deceased parent’s basic benefit instead. That higher share is one reason survivor planning matters for retirees with younger children, who may be on the record for many years.

A disabled adult child is a separate path. The booklet says a person age 18 or older can qualify if the disability began before age 22. Families with an adult child in that position are in a different situation from those with a school-age child, and should ask about the rules directly rather than assume the school limits apply.

Where to start the application

Social Security’s family benefits page says spouses, ex-spouses, children and some grandchildren may be eligible, and links to the online application. The children’s booklet lists the toll-free number as 1-800-772-1213, with the TTY line at 1-800-325-0778.

The open question for most retired parents is how the child’s payment fits with their own claiming choices. A retiree who is still working may see benefits held back by the earnings test, and the age at which a parent claims shapes the record that the child’s share is figured from. Those are decisions that depend on the parent’s own numbers.

Retired with a child under 18 on the record?

The risk for a retiree with a young child is working from half-remembered rules. A family can miss a payment the child could draw, or claim early without seeing how the family limit and the earnings test interact.

The question of what a child may collect leads straight to the parent’s own claiming decision. The Social Security Claiming & Family Benefits Kit takes that second step with a claiming calculator (Excel) for claiming age, break-even and survivor benefits, and it covers the 2026 earnings-test rules for retirees who are still working. Its Part 8 is devoted to pensions, remarriage and family benefits.

Get the claiming calculator and earnings-test rules for a retiree with a child at home →

More Financial Reading

• 21 Ways to Stretch a $2,087 Social Security Check
• 15 Places to Find Your Share of the $4.25 Billion States Give Back
• The New $6,000 Senior Deduction and 14 More Tax Moves for Retirees

This article was produced with AI assistance and edited for accuracy against the sources linked above.