Sector Percentage of Total Key Context 1. Household (Residential) 35.2% Remains the largest single source, though improved data tracking has lowered this estimate from previous years (which were often cited at 43%+). 2. Food Service 17.2% Includes restaurants, schools, and hospitals. About 70% of this waste is "plate waste" (food left behind by customers). 3. Retailers 6.0% Grocery stores and markets. This sector has seen the most success in reduction, with a 25% decrease in unsold food in some regions recently. 4. Farms 23.8% This includes food left in the field due to "ugly" produce standards, labor shortages, or low market prices. 5. Production 17.8%
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