Spousal Social Security Benefit Calculator

Last updated July 2, 2026

Social Security spousal benefits are one of the most valuable and least understood features of the system. A spouse who either didn't work or earned significantly less than the other partner can claim a spousal benefit worth up to 50 percent of the higher earner's full retirement age benefit — without reducing the higher earner's own benefit in any way. To receive the maximum spousal benefit, the higher earner must have already filed for their own benefit, and the claiming spouse must have reached full retirement age. Claiming the spousal benefit before full retirement age reduces it, but the reduction is different from — and less severe than — the reduction applied to an early worker benefit.

Spousal benefit strategy often involves coordinating the two claiming ages deliberately. A common approach is for the lower earner to claim their own worker benefit early — at 62, or whenever income is needed — while the higher earner delays to 70 to maximize both their own benefit and the eventual survivor benefit available to the lower earner. When the higher earner dies, the surviving spouse can switch from their own benefit to the higher earner's benefit if that's the larger amount. This makes the higher earner's delay not just a strategy for their own lifetime, but a form of income protection for whoever outlives them.

The spousal benefit adds up to 50 percent of your partner's full retirement benefit, and coordinating your two claiming ages deliberately can significantly increase lifetime household income. Model both the spousal benefit and the survivor benefit scenarios before deciding when each partner claims — the optimal strategy for a couple often looks quite different from what either would choose independently.