SEnior citizens remember when there were fewer people on the earth, so what would happen if we lost 1/2 (cont)?

the population of the earth . Each area would loose according to its population . 50%.
Update: ADDED DETAILS: What would happen to the economy, of a country, of the world , of a family?
Update 2: PLEASE PEOPLE: I DON'T MEAN TO DO AWAY WITH ANYONE THAT IS ALREADY HERE!

I just mean if we diminished our numbers to the point that 1/2 of the earths population was reduced OVER TIME .
Update 3: PLEASE PEOPLE: I DON'T MEAN TO DO AWAY WITH ANYONE THAT IS ALREADY HERE!

I just mean if we diminished our numbers to the point that 1/2 of the earths population was reduced OVER TIME .
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