• Sanofi average operating margin for 2023 was 21.32%, a 12.15% decline from 2022.
• Sanofi average operating margin for 2022 was 24.27%, a 1.86% decline from 2021.
• Sanofi average operating margin for 2021 was 24.73%, a 20.4% 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.