• Starbucks average operating margin for 2023 was 15.8%, a 4.98% decline from 2022.
• Starbucks average operating margin for 2022 was 15.05%, a 8.27% increase from 2021.
• Starbucks average operating margin for 2021 was 13.9%, a 57.06% 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.