Secondly, more than 60% of world's population is dependent on agriculture for its survival, if there were no farmers, unemployment figures would jump up all around the world.
Thirdly, meat industry is heavily reliant on animal fodder for its survival, if there were no farmers, meat industry will face a severe decline.
Lastly, more than 12% of global land area is currently being used for cultivation, if there were no farmers, forests will probably grow in their place.
On the flip side, with extreme food scarcity, people will probably stop wasting food, they will even try to grow essential crops and fruits in their own backyard.
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