• Merck average pre-tax profit margin for 2023 was 12.83%, a 56.46% increase from 2022.
• Merck average pre-tax profit margin for 2022 was 29.47%, a 80.69% decline from 2021.
• Merck average pre-tax profit margin for 2021 was 16.31%, a 12.64% increase from 2020.

Pre-tax profit margin can be defined as earnings before taxes as a portion of total revenue.