• Eli Lilly average gross margin for 2023 was 78.34%, a 3.5% increase from 2022.
• Eli Lilly average gross margin for 2022 was 75.69%, a 1.2% increase from 2021.
• Eli Lilly average gross margin for 2021 was 74.79%, a 4.67% increase from 2020.

Gross margin can be defined as a company's total sales revenue minus its cost of goods sold, divided by the total sales revenue, expressed as a percentage.