• Costco average pre-tax profit margin for 2024 was 3.78%, a 8.31% increase from 2023.
• Costco average pre-tax profit margin for 2023 was 3.49%, a 0.29% increase from 2022.
• Costco average pre-tax profit margin for 2022 was 3.48%, a 3.57% increase from 2021.

Pre-tax profit margin can be defined as earnings before taxes as a portion of total revenue.