• AutoZone average ebitda margin for 2023 was 22.71%, a 1.09% increase from 2022.
• AutoZone average ebitda margin for 2022 was 22.96%, a 0.35% decline from 2021.
• AutoZone average ebitda margin for 2021 was 23.04%, a 4.49% decline from 2020.

Ebitda margin can be defined as earnings before interest, taxes, depreciation and amortization as a portion of total revenue.