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Two individual plans aren't necessarily pricier than one family plan: actually run the numbers
The instinct after marrying is "add my spouse to my insurance." That instinct is often wrong, and wrong in an expensive way.
Confirm your window first
Marriage is a qualifying event, but the two routes give you different numbers of days:
- Employer group plan: a statutory minimum of 30 days (HIPAA special enrollment; employers may allow longer. Go by what HR says)
- ACA Marketplace: 60 days
❗ "60 days after the wedding" is all over the internet, but anyone on an employer plan treating 60 days as safe may already be past it. See item 17 of the checklist.
What to compare
1. Each staying on your own employer's plan vs one joining the other
Many companies subsidize the employee's own premium heavily and a dependent's premium far less.
The real numbers often look like this: $80 a month deducted for the employee alone, $450 once a spouse is added, and that extra $370 is all on you. Whereas if your spouse stays on their own employer's plan, it might cost just $90.
So when one employer's subsidy is generous, staying on separate plans is often the better deal.
2. How the family deductible and out-of-pocket max are calculated
This layer is more hidden. A family plan's deductible isn't "the individual deductible × 2," and carriers compute it differently:
- Aggregate: the family's spending has to reach the family deductible before anything is covered. If only one person gets sick, they carry that higher figure alone
- Embedded: each person has their own individual cap, and coverage begins once they reach it
If one of you has a chronic condition or expects heavier medical spending, this distinction is decisive.
How to actually model it
- Get the Summary of Benefits and Coverage (SBC)This is a standardized document they are legally required to provide, which makes the comparison completely fair.
- Write down three numbers: monthly premium, deductible, out-of-pocket max
- Compute the annual total cost under two scenarios: a healthy year (premiums only) and a year with significant medical spending (premiums + out-of-pocket)
- Confirm your doctors and hospitals are in networkHonestly, this item often matters more than the premium itself.
Other things to look at together
- Dental and vision: usually separate plans, and worth comparing too
- HSA / FSA: if one of you has a high-deductible plan paired with an HSA, adding a spouse changes how much you can contribute
- Maternity coverage: most have waiting periods, so it isn't available the moment you enroll. If you're planning, look early (see item 86 of the checklist)
- A foreign spouse without an SSN yet: ask HR how they handle it. Some systems require an SSN to enroll
If you buy on the Marketplace yourself
After marriage your household income is combined, and you may lose the subsidy you hadACA subsidies are paid in advance and reconciled at year end; if you don't report changes promptly, you may have to pay back subsidies already received when filing taxes (see item 85 of the checklist).
So update your income on the Marketplace right after the wedding, not at the next open enrollment.
In one line
First, confirm how many days you have (possibly 30, not 60), then grab both SBCs and calculate the annual total cost. Staying on separate plans is often cheaper.