“That 3.8 million number is comprised of not just the homes that haven’t been built relative to the households that are formed. That’s 2.2 million of that 3.8 million. We’re also looking at how the lack of affordability from high home prices, high rental prices and a shortage of homes on the market for sale means that people decide not to strike out on their own,” she said, adding caution that the aggressive building of recent years is expected to trail off. “Builders are really trying to build, but the challenge is the progress is so small that if we kept at that pace, it would take seven and a half years to close the existing gap.”

https://www.austinmonitor.com/stories/2025/03/sxsw-panel-looks-at-national-housing-shortage-and-how-austin-is-responding/