It's 0.000004286% of the human population that would be considered a minimum viable population size, and of course that's considered stable. We know human population was less than that at least twice in history. For the vast majority of human history human population was about 0.000171429% of what it is now.
Both are vastly less than the .1% you claim to be fatal. What is your basis for claiming this number would end the human species ?
Both are vastly less than the .1% you claim to be fatal. What is your basis for claiming this number would end the human species ?