• Eli Lilly average operating margin for 2023 was 20.99%, a 16.94% increase from 2022.
• Eli Lilly average operating margin for 2022 was 25.27%, a 12.96% decline from 2021.
• Eli Lilly average operating margin for 2021 was 22.37%, a 9.03% 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.