• Merck average net profit margin for 2024 was 12.92%, a 6.65% increase from 2023.
• Merck average net profit margin for 2023 was 13.84%, a 11.34% decline from 2022.
• Merck average net profit margin for 2022 was 15.61%, a 9.39% decline from 2021.

Net profit margin can be defined as net Income as a portion of total sales revenue.