• Costco average return on assets for 2023 was 9.3, a 2.2% increase from 2022.
• Costco average return on assets for 2022 was 9.1, a 8.59% increase from 2021.
• Costco average return on assets for 2021 was 8.38, a 7.44% increase from 2020.

Roa - return on assets can be defined as an indicator of how profitable a company is relative to its total assets. Calculated by dividing a company's operating earnings by its total assets.