In the 2020 dunnhumby Retailer Price Index, Grocery Edition, ALDI ranked No.1 on price for the second year in a row. Customers perceive ALDI as having the lowest grocery prices among major retailers. Overall, in the U.S. Grocery category, ALDI ranked No. 7 of the top 14 retailers in 2020, up from No. 11 in 2019.