< PrevNext > 52. Walmart Bentonville, Ark. Share 2019 U.S.-Booked Air Volume: $80 million BTN estimates Walmart had U.S.-booked air volume of $80 million in 2019, up from $75 million in 2018. As of January 31, 2020, the retail giant generated revenue of $523.96 billion, a 1.9 percent year-over-year rise from the fiscal year ended January 31,2019. Sales revenue was $120.1 billion. Walmart Inc. and its subsidiaries employed more than 2.2 million employees worldwide, with 1.5 million in the U.S. and 0.7 million internationally. Membership-only warehouse club Sam's Club, which operates in 44 states in the U.S. and in Puerto Rico, had net sales of $58.8 billion for fiscal 2019, representing 11 percent of Walmart's consolidated fiscal 2019 net sales.