• GSK average operating margin for 2023 was 24.11%, a 22.95% decline from 2022.
• GSK average operating margin for 2022 was 19.61%, a 1.85% increase from 2021.
• GSK average operating margin for 2021 was 19.98%, a 15.73% decline 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.