• Northrop Grumman average operating margin for 2023 was 8.97%, a 11.54% decline from 2022.
• Northrop Grumman average operating margin for 2022 was 10.14%, a 36.66% decline from 2021.
• Northrop Grumman average operating margin for 2021 was 16.01%, a 40.19% 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.