• GSK average pre-tax profit margin for 2023 was 21.43%, a 23.87% decline from 2022.
• GSK average pre-tax profit margin for 2022 was 17.3%, a 1.54% increase from 2021.
• GSK average pre-tax profit margin for 2021 was 17.57%, a 18.05% decline from 2020.

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