• ADP average operating margin for 2023 was 24.96%, a 7.31% increase from 2022.
• ADP average operating margin for 2022 was 23.26%, a 4.59% increase from 2021.
• ADP average operating margin for 2021 was 22.24%, a 2.3% 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.