*Replies collected from UA Zensen members active in 210 member unions, who work in the service industry and have experienced customer harassment in the past two years.
Original question: "Please choose one specific reason that caused the act of nuisance."
Customers venting their dissatisfaction or provoking the staff was the most common reason for customer harassment in Japan, according to a 2024 survey among unionized employees in the service industry. Mistakes by the service staff were reported as the cause in **** percent of cases.
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UA Zensen. (June 9, 2024). Leading reasons for customer harassment in Japan as of March 2024 [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 20, 2026, from /statistics/1590404/japan-reason-customer-harassment/
UA Zensen. "Leading reasons for customer harassment in Japan as of March 2024." Chart. June 9, 2024. ÌÇÐÄÆÆ½â°æ. Accessed July 20, 2026. /statistics/1590404/japan-reason-customer-harassment/
UA Zensen. (2024). Leading reasons for customer harassment in Japan as of March 2024. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 20, 2026. /statistics/1590404/japan-reason-customer-harassment/
UA Zensen. "Leading Reasons for Customer Harassment in Japan as of March 2024." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 9 Jun 2024, /statistics/1590404/japan-reason-customer-harassment/
UA Zensen, Leading reasons for customer harassment in Japan as of March 2024 ÌÇÐÄÆÆ½â°æ, /statistics/1590404/japan-reason-customer-harassment/ (last visited July 20, 2026)
Leading reasons for customer harassment in Japan as of March 2024 [Graph], UA Zensen, June 9, 2024. [Online]. Available: /statistics/1590404/japan-reason-customer-harassment/