Gen Z home‑sharing hits record 20% as starter‑home market shrinks

Nearly one‑fifth of U.S. adults aged 25‑34 now live with parents or grandparents, a record level according to a recent John Burns analysis of census data【1】. The surge underscores a tightening starter‑home market that is pushing younger buyers out of ownership and reshaping housing‑sector dynamics.

Record‑high co‑habitation and falling ownership

The 19% co‑habitation rate eclipses the 16% peak recorded in 2016 and reflects a broader shift away from the “starter home” that once anchored early‑career home buying. By late 2022, newly built homes priced under $200,000 had virtually disappeared, while more than 60% of new constructions were listed above $400,000—double the share just a few years earlier【1】. This price escalation coincided with a sharp rise in rental costs, with the typical rent climbing nearly 30% between 2020 and 2024【1】, further eroding affordability for young adults.

Economic backdrop and market implications

The trend follows a two‑phase shock: an ultra‑low‑rate loan environment that ended abruptly in spring 2022, sending mortgage rates higher and curbing demand, and a subsequent slowdown in the job market that left many young workers facing both higher borrowing costs and stagnant wages【1】. While 70% of the 7.5 million 25‑34‑year-olds still living at home are employed, the prevailing narrative points to a “housing‑cost story, not a jobs story”【1】. For the broader housing market, the dwindling pool of entry‑level buyers pressures builders to target higher‑margin projects, potentially reducing the supply of affordable units and reinforcing price pressures across the sector.

What to watch

• Housing‑starts data – upcoming monthly reports on new‑home construction will reveal whether builders continue shifting toward higher‑priced projects.
• Mortgage‑rate trends – Federal Reserve policy meetings and subsequent rate announcements could either ease or exacerbate affordability constraints.
• Rental‑price indices – quarterly updates from the U.S. Census Bureau will track whether rent inflation stabilizes or accelerates.

The record co‑habitation rate signals a structural shift in how young adults approach homeownership, raising questions about the long‑term health of the entry‑level housing market and its ripple effects on construction, pricing, and broader economic stability.