• ResMed average operating margin for 2023 was 26.5%, a 4.98% increase from 2022.
• ResMed average operating margin for 2022 was 27.89%, a 1.8% decline from 2021.
• ResMed average operating margin for 2021 was 28.4%, a 4.57% decline 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.