Kumar Thangudu

We talk about the two-parent household as if it were the ancient default we're losing. It isn't. For most of history, two parents were the core of a much larger care system. In 1850 the average American family had 5.55 people; today we're at roughly half that. In the mid-1800s, about 8 in 10 elderly Americans lived with their children or immediately next door, which made grandma and grandpa part of daily childcare. [1_shrinking_household.png]There's basically two collapses. The first was economic. Once industrial wages pulled children off the farm and into cities, the young no longer needed their inheritance, so they no longer needed to stay. University of Minnesota historian Steven Ruggles argues that the multigenerational family declined mainly because young people gained opportunities and parents lost control over them. he second wave was postwar policy and planning. From 1940 to 1980, the share of Americans in multigenerational homes was cut in half, which Pew attributes partly to the rise of nuclear-family suburbs and the improving finances of older adults. The GI Bill house, single-family zoning, the car, and the Social Security check together made it possible, and then normal, for every generation to live apart.[2_forces.png]Now we pay for that lost network twice: once through payroll taxes to support the elderly, and again at full market price to replace the grandmother who used to watch the baby. The national average price of child care hit $13,184 in 2025, about a third of a single parent's median income. The young family is effectively running a care operation that used to be spread across a whole village.[3_childcare_cost.png]The old system wasn't idyllic. It ran largely on women's unpaid labor, and elders without children ended up in poorhouses. Nobody should want 1850 back.  What we should want back is proximity: grandparents nearby, legal in-law suites, and tax treatment that rewards family members caring for each other the way it already rewards paying a daycare. Encouragingly, the bottom was 1980.  The two-parent household was never designed to work alone.