• Lumen Technologies average operating margin for 2023 was -51.98%, a 396.01% decline from 2022.
• Lumen Technologies average operating margin for 2022 was 17.56%, a 82.92% decline from 2021.
• Lumen Technologies average operating margin for 2021 was 9.6%, a 32.73% 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.