• 3M average operating margin for 2023 was -14.31%, a 176.04% decline from 2022.
• 3M average operating margin for 2022 was 18.82%, a 13.79% decline from 2021.
• 3M average operating margin for 2021 was 21.83%, a 2.25% 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.