Russell Coker wrote:
Actually you want the population to remain about the same so that there are young people to take care of you when you are old. The Chinese one child policy is putting the future of old people at risk, as would the Australian birth rate if we didn't have immigration. I've already provided this data, you really should read previous messages before replying.
See also https://en.wikipedia.org/wiki/Aging_population esp. ยง Ageing, well-being and social policy Unfortunately the ANU reference is broken. While I don't disagree with you, Russell, I suspect your statement above is overly simplistic. ISTR many years ago hearing David Suzuki say that we already had thrice the sustainable number of humans, but a quick fact check on WP only turns up these: https://en.wikipedia.org/wiki/Optimum_sustainable_yield https://en.wikipedia.org/wiki/Sustainable_Population_Australia https://en.wikipedia.org/wiki/David_Suzuki