I have one on my bed that is 35 years old (first quilt I made, almost). Binding had to be replaced several years ago. Backing is still going strong.
I used a variety of fabrics on the top - the cheap, flimsy ones were replaced first. Now even some of the "Good quilt cottons" are showing holes. Unfortunately the lining material (eek!) is still there!! Can't believe I used that!
To be honest, I treat it terribly - no pets, but it winds up on the floor a lot. It is hand quilted, which seems to have held up well.