customer loss; decline in patronage
Describes a situation where customers stop coming to a store, product, or service, often due to dissatisfaction, trends, or external factors.
値上げが原因で客離れが進んでいる。
Customer loss is progressing due to the price increase.
あの店はサービスが悪くて客離れがひどい。
That shop has terrible customer loss because of poor service.
客離れ describes customers drifting away from a business, the opposite process of 集客, which describes drawing them in.
Compound of 客 (customer) and 離れ (separation, from 離れる 'to separate').