Question of the WeekHow Much Will Major US Warehouse Clubs and Mass Merchandisers Generate in Sales This Year? Coresight Research September 8, 2020 QUESTION OF THE WEEK: How Much Will Major US Warehouse Clubs and Mass Merchandisers Generate in Sales This Year? Coresight Research estimates that total sales by major US warehouse clubs and mass merchandisers will reach $639.7 billion in 2020, up 5.4% year over year. This document was generated for Other research you may be interested in: AI Insights: Instacart CEO Fidji Simo To Join OpenAI as CEO of ApplicationsWeekly UK Store Openings and Closures Tracker 2025, Week 46: Store Openings Down 11% Year Over YearUS Store Tracker Extra, October 2025: Rite Aid Takes Total Closed Retail Space to 143 Million Square FeetSeptember 2025 US Retail Sales Outlook: Retail Outlook Score Plummets; Holiday-Quarter Growth Projection Moderates