• STMicroelectronics average operating margin for 2023 was 27.82%, a 12.04% decline from 2022.
• STMicroelectronics average operating margin for 2022 was 24.83%, a 49.22% increase from 2021.
• STMicroelectronics average operating margin for 2021 was 16.64%, a 36.17% increase 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.