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Originally Posted by redpoint5
1 child per every 2 heterosexual reproducing couple is a stupid idea. You have more than 2 people dying for every 1 birth. In very short order you starve the economy of eligible labor, and overburden it with entitlements.
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That's the whole point: more people dying than are born, so the population is eventually reduced to a sustainable level. As for eligable labor, have you been reading the reports about how robots are going to (indeed, already are) replacing a lot of human labor? Or you could get rid of age discrimination...
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This is not to mention that any negative population rate is unsustainable.
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Sure, in the long run, just as any positive growth rate is unsustainable. The point is to maintain the negative rate until the world population reaches a sustainable level, then keep the rate around zero.
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Crazy to think there will be a time when there are less people on earth over time. I believe I will live to see that occur.
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Of course there will be a time when there are fewer people on Earth. It's just that there's a choice as to how this happens: either the population is reduced voluntarily, or we continue on the present course until we replay the Permian-Triassic extinction, leaving no humans on Earth. (And of course without Earth, those in space will die sooner or later.)