According to the Family Income and Expenditure Survey reported by the Statistics Bureau, Ministry of Internal Affairs and Communications, Aomori City, Morioka City, and Toyama City are the largest consumers of kelp (which is calculated by taking an average of three years since 2003 per household).
統計局の家計調査によると、青森市、盛岡市、富山市が昆布消費量の多い都市（平成15〜17年平均：1世帯あたり）である。