In many two-parent households, life insurance conversations focus entirely on the working parent's income. The stay-at-home parent is often left with little or no coverage, on the logic that they don't earn a paycheck — so there's nothing to "replace." That logic misses what actually happens financially if a stay-at-home parent dies or becomes unable to provide care.
What a stay-at-home parent's labor is actually worth
Childcare, transportation, meal preparation, household management, and eldercare (in many households) don't stop being necessary just because they weren't previously paid for. If a stay-at-home parent were no longer able to provide them, the surviving parent would likely need to pay for some combination of full-time childcare, a reduction in work hours, and additional household help — costs that add up quickly and continue for years.
A rough way to estimate coverage
A reasonable starting estimate: full-time childcare costs in most U.S. metro areas, multiplied by the number of years until the youngest child is in school full-time or otherwise more independent, plus a buffer for the working parent's own reduced earning capacity during a transition period. For many households with young children, this lands somewhere in the $250,000–$500,000 range — not zero.
It's also inexpensive to fix
Because life insurance pricing is driven heavily by health and age rather than income, a healthy stay-at-home parent can often get substantial term life coverage for a modest premium — frequently less than the working parent's own policy, if the stay-at-home parent is younger or in better health.
What to do next
If your household includes a stay-at-home parent with no life insurance of their own, that's usually the single biggest gap worth closing first — not because it's likely to be needed, but because the financial exposure if it were needed is large, and the cost to close the gap is small.