• Paychex average operating margin for 2023 was 40.58%, a 1.53% increase from 2022.
• Paychex average operating margin for 2022 was 39.97%, a 6.9% increase from 2021.
• Paychex average operating margin for 2021 was 37.39%, a 4.91% 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.