Costco reveals shift in shopper spending behavior

Costco has proven itself to be a resilient force in the retail industry, especially during challenging economic times. The chain has continued to grow its membership and retain nearly 90% of its members worldwide, showcasing its appeal to consumers looking for ways to save money.

According to RTMNexus CEO Dominick Miserandino, Costco’s success in March 2026 sales is a sign that the middle class is shifting its spending habits away from convenience stores and towards saving money at warehouse clubs. The company reported an increase in paid executive memberships and total paid members, indicating a growing customer base.

Despite raising its membership rates in 2024, Costco has managed to maintain high retention rates. The company’s strategy of raising the “cost of commitment” may have inadvertently deepened engagement among its loyal customer base.

Costco’s average transaction amount has also seen an increase, with the chain reporting growth in various departments such as food, candy, fresh foods, and non-food items. The company’s net sales for the year have shown a 9.1% increase compared to the previous year, highlighting its strong performance in a challenging retail environment.

Analysts have compared Costco to Walmart, noting that both companies share a similar playbook of offering low prices, strong private-label products, efficient supply chains, and growing digital capabilities. Costco’s membership fees have provided the company with a stable and high-margin revenue stream, allowing it to maintain low merchandise margins and reinforce customer loyalty.

GlobalData Managing Director Neil Saunders emphasized Costco’s value proposition to its members, highlighting the company’s focus on delivering great value in exchange for membership fees. The chain’s goal is to maximize profit through membership growth and renewal, rather than maximizing margins on individual items.

In conclusion, Costco’s success in retaining customers and driving sales growth demonstrates its ability to adapt to changing consumer preferences and economic conditions. The company’s focus on value and customer loyalty has helped it navigate a competitive retail landscape and maintain its position as a leading warehouse club retailer.