• Amgen average operating margin for 2024 was 21.11%, a 35.56% increase from 2023.
• Amgen average operating margin for 2023 was 32.76%, a 5.65% decline from 2022.
• Amgen average operating margin for 2022 was 34.72%, a 13.43% decline from 2021.

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.