• Pfizer average operating margin for 2023 was 19.33%, a 38.1% decline from 2022.
• Pfizer average operating margin for 2022 was 31.23%, a 31.88% decline from 2021.
• Pfizer average operating margin for 2021 was 23.68%, a 85.29% 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.