• AT&T average gross margin for 2023 was 58.86%, a 2.28% increase from 2022.
• AT&T average gross margin for 2022 was 57.55%, a 7.33% increase from 2021.
• AT&T average gross margin for 2021 was 53.62%, a 0.78% increase from 2020.

Gross margin can be defined as a company's total sales revenue minus its cost of goods sold, divided by the total sales revenue, expressed as a percentage.