• Ross Stores average operating margin for 2023 was 10.63%, a 5.6% increase from 2022.
• Ross Stores average operating margin for 2022 was 11.26%, a 35.34% decline from 2021.
• Ross Stores average operating margin for 2021 was 8.32%, a 11.53% increase from 2020.

Operating margin can be defined as operating margin measurement of what proportion of a company's revenue is left over after paying for variable costs of production such as wages, raw materials, etc.