Food waste or food loss is food that is discarded or lost uneaten. As of 2011, 1.3 billion tons of food, about one third of the global food production, are lost or wasted annually. Loss and wastage occurs on all steps in the food supply chain. In low-income countries, most loss occurs during production, while in developed countries much food – about 100 kilograms (220 lb) per person and year – is wasted at the consumption stage.
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