> 11b people around 2100 Color me skeptical. If previous prognostications are and indicator, humanity in general cannot predict the future more than 5-10 year

> 11b people around 2100 Color me skeptical. If previous prognostications are and indicator, humanity in general cannot predict the future more than 5-10 years out with reasonable accuracy. Another way of saying this is that the confidence interval on global population estimates 80 years into the future is most likely large enough to render the estimate meaningless.