Earlier quoted context omitted.
I'm 30, and I only know one person in my peer group whom owns a home, and he can only afford it because it's way out in the boonies. If people my age find things like home ownership out of reach, having children becomes a roadblock and therefore becomes undesirable.
Having home should not be requirement for having children. You quite literally don't need it.
Technically, you can raise children in a war torn country, since it obviously has happened for many millennia. But with the advent of birth control, it’s much easier to choose.