With all the modern changes in industrial agriculture, this number continues to shrink. In earlier centuries, multiple acres of food were needed to sustain a single person, but since the Green Revolution, production has skyrocketed and it now takes a mere 1.8 acres to grow food for the average American diet. Assuming population trends hold true and technological innovations continue, some predict by 2050 it could take a homogenized 0.6 acres of food to sustain the average person.
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