Not only will the shape be more and more condom-like (which I'm blaming for the drop off in birth rates in developed countries), but apparently an increasing nu

Not only will the shape be more and more condom-like (which I'm blaming for the drop off in birth rates in developed countries), but apparently an increasing number of folks will live over 100 in 2100, e.g. http://populationpyramid.net/Japan/2100/ http://populationpyramid.net/Japan/2100/