I generally agree with your comment, but I think you are oversimplifying the demographics and that leads to your 'why' question. If you get a bit more specific

I generally agree with your comment, but I think you are oversimplifying the demographics and that leads to your 'why' question. If you get a bit more specific with numbers at various ages and cohorts, plus discouraged workers, you don't have a big hole in the arithmetic. http://www.calculatedriskblog.com/2014/06/demographics-prime-and-near-prime.html http://www.calculatedriskblog.com/2014/06/demographics-prime...