I believe the current urban culture is not conducive to large families. The current lifestyle has school until you are 22 years old at least. Going as high as 30 for people who do PhDs... Then you are supposed to have casual sex and work your a** off until you are at your early-30s. Unless you were lucky, you don't own any property besides your car at this point, and are still trying to work your way up in your career. 50 years ago people had 3 children and a house at this point. Global demographic decline will continue until everyone decides that we have a serious problem. Then it will take societal and technological shifts to correct it.
In Italy women are waiting till 35 to get married and have their first child. Is pretty weird, nothing like this has happened before in Human history.
I am pretty conflicted, because for one side having to few young people and so many older people create weird societal dynamics, most people born in 70s, 80s and 90s grew up in a time when most people they met in the street were closer to their age, as the pyramid shift upward most people they will met will be from older generations, making difficult establishing human relations and connections.
And in the other side I starting to think that technology, especially AI is going to have massive impact the future of jobs markets,I think this time is different, most of the in the service and manufacturing jobs will be automated, including coding, the jobs available will be for more qualified people. If you watch videos of Chinese factories, there is barely people working there compared to the 2000s. Just few guys checking a bunch of robots.