Supersigh 53rd As I said, there are other interpretations of that graph.
If you look for owner occupier stats, for example. That has grown inexorably since the 50s until the millennium, when it dipped and has not yet recovered.
The biggest changes have been how homes have been owned or rented. In about 2010 private renters overtook social renters and outright ownership overtook ownership with mortgage - that sort of belies it being mostly Boomers who outright own! Though you would expect older people to be owners more than younger, it makes both financial and social sense!
The number of 1st time buyers is now back at 1970s / 80s levels. Which makes sense, given the home owning growth and bust.
If you use the 1980 - 1990 figures then yes, young home owners have shrunk. But then look at why so many younger people bought in the mid 80s, and what happened when the interest rates shot through the roof. Many factors have been discussed her already, MIRAS, 100% mortgages etc etc
None of which contradicts the facts that many 20 year olds back then also lived in grotty, damp bedsits. They had done so happily until rents started to rise and the government decided to make ownership more enticing by allowing a change in mortgages - and we all know how that ended. People with more established mortgages were far less badly hit than those with new mortgages... so home ownership in 20 somethings fell again.
A pretty table will tell you one immediate story, but you still need more information to flesh it out and understand why?
That's why I find all the Baby Boomer hate weird. It's not like they stole anything. And yes, some people can be truly smug, but that certainly isn't an age characteristic!