Convenience Stores Saw In-Store Sales Growth During Tumultuous 2020 NACS State of the Industry data indicate how retailers adjusted inventory, introduced new products and services and provided safe shopping experiences. April 14, 2021 ALEXANDRIA, Va.—Convenience retailers proved to be both essential and resilient during a disruptive 2020 that impacted operational and financial aspects of the U.S. convenience and fuel retailing industry. Total industry inside sales increased 1.5% to a record $255.6 billion in 2020 as customers frequented their local convenience stores to fulfill daily shopping needs, newly-released NACS State of the Industry data indicate. While total transactions declined 13.9% for the year, basket sizes increased 18.4% compared with 2019. The average basket size was $7.34 in 2020 vs. $6.20 in 2019.