Note:

• Fiscal year 2025 data is as of the second quarter, which ended on February 16, 2025.
• The number for fiscal year 2024 is from the company's annual report, which stated the membership base grew to "nearly 137 million cardholders".
• The number for fiscal year 2023 is from the company's annual report, which stated the membership base grew to "nearly 128 million cardholders".
• Data for fiscal years 2022 and 2021 is derived from the paid household members and household cardholder figures in the 2022 Annual Report.
• For fiscal year 2020, Costco's Annual Report stated that the company "surpassed 100 million members worldwide".