Not if your offspring also live longer. You have kids at 1X, Grandkids at 2X, die at 3X, doesn't matter if X=25 or X=30 or X=100, the population dynamics are t

Not if your offspring also live longer. You have kids at 1X, Grandkids at 2X, die at 3X, doesn't matter if X=25 or X=30 or X=100, the population dynamics are the same.