In the fiscal year 2022, **** made up the largest amount of household-related food waste, both reaching over *** million metric tons each. The overall volume of household-related food waste was estimated at around **** million metric tons in that fiscal year.
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CAA. (June 9, 2025). Amount of household-related food waste in Japan in fiscal year 2022, by cause (in 1,000 metric tons) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 31, 2026, from /statistics/1233730/japan-volume-household-related-food-waste-by-cause/
CAA. "Amount of household-related food waste in Japan in fiscal year 2022, by cause (in 1,000 metric tons)." Chart. June 9, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 31, 2026. /statistics/1233730/japan-volume-household-related-food-waste-by-cause/
CAA. (2025). Amount of household-related food waste in Japan in fiscal year 2022, by cause (in 1,000 metric tons). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 31, 2026. /statistics/1233730/japan-volume-household-related-food-waste-by-cause/
CAA. "Amount of Household-related Food Waste in Japan in Fiscal Year 2022, by Cause (in 1,000 Metric Tons)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 9 Jun 2025, /statistics/1233730/japan-volume-household-related-food-waste-by-cause/
CAA, Amount of household-related food waste in Japan in fiscal year 2022, by cause (in 1,000 metric tons) ÌÇÐÄÆƽâ°æ, /statistics/1233730/japan-volume-household-related-food-waste-by-cause/ (last visited July 31, 2026)
Amount of household-related food waste in Japan in fiscal year 2022, by cause (in 1,000 metric tons) [Graph], CAA, June 9, 2025. [Online]. Available: /statistics/1233730/japan-volume-household-related-food-waste-by-cause/
