• Armstrong World Industries average operating margin for 2023 was 24.23%, a 7.26% increase from 2022.
• Armstrong World Industries average operating margin for 2022 was 22.59%, a 5.76% increase from 2021.
• Armstrong World Industries average operating margin for 2021 was 23.97%, a 20.31% decline 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.