• AT&T average operating margin for 2023 was 2.8%, a 78.98% increase from 2022.
• AT&T average operating margin for 2022 was 13.32%, a 20.43% decline from 2021.
• AT&T average operating margin for 2021 was 11.06%, a 8.67% 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.