• Thermo Fisher Scientific average operating margin for 2023 was 15.88%, a 25.76% increase from 2022.
• Thermo Fisher Scientific average operating margin for 2022 was 21.39%, a 20.98% decline from 2021.
• Thermo Fisher Scientific average operating margin for 2021 was 27.07%, a 35.35% 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.