option vote
Lowest number is now: population will continue to increase with no end within 100 years 12
Lowest number is now: population will stabilize soon but not go below today's number 12
Number will decline but will remain above 5 billion (-30% from now) during all of the next 100 years 17
Number will decline but will remain above 1 billion (1/8th of today) during all of the next 100 years 51
Number will decline but will remain above 10 million during all of the next 100 years 26
Number will decline but will bottom out below 10 million during all of the next 100 years 21
The number of humans on earth will go to zero within the next 100 years. 8

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