>"What happens when there are 16 or 32 Billion people?" Not sure about other part but in the western world birth rate is gong down and is not enough to offset

>"What happens when there are 16 or 32 Billion people?" Not sure about other part but in the western world birth rate is gong down and is not enough to offset decrease of the population. Having people leave longer will not change it in any way. If we ever grow to this number it will not be because of curing cancer. >"Even the idea that "GDP should rise 2% every year" makes me nauseous." You think anybody responsible for GDP growth gives a hoot about what "makes you nauseous"?