In LA there are tons of "co-living" spaces where they're basically renting out bedrooms for $2500-$4000 a month! It's the similar to living with roommates except each roommate has their own lease and you have no choice in who becomes your roommate. I don't know any actual stats, only that in searching for an apartment they came up a lot in searches and I assumed it was partly to make more money (a 3br apartment with…
This is inevitable when vast numbers of people all want to live as close to the centers of a handful of major cities as they can. You either build megacities, let the market dictate who can afford to live there, or maybe start seriously realizing that from an economic and environmental point of view... maybe remote work is the solution.
Remote is definitely better than the status quo of subsidized suburbs housing car commuters though.