That's reverse causation. Proper question is how much they were building the last three decades, and if it's outrunning new household formation* now. There are

That's reverse causation. Proper question is how much they were building the last three decades, and if it's outrunning new household formation* now. There are places with cheap housing in the US, generally not in the good jobs areas but if you're retiring that's not so much a problem. * that's when people move out of their parents' house or decide to not have roommates anymore