• Northrop Grumman average return on investment for 2023 was 14.43, a 32.13% decline from 2022.
• Northrop Grumman average return on investment for 2022 was 21.26, a 0.56% decline from 2021.
• Northrop Grumman average return on investment for 2021 was 21.38, a 95.07% decline from 2020.

Roi - return on investment can be defined as an indicator of how profitable a company is relative to its assets invested by shareholders and long-term bond holders. Calculated by dividing a company's operating earnings by its long-term debt and shareholders equity.