• Merck average operating margin for 2024 was 21.9%, a 50.83% increase from 2023.
• Merck average operating margin for 2023 was 14.52%, a 53.83% increase from 2022.
• Merck average operating margin for 2022 was 31.45%, a 108.14% 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.