• Northrop Grumman average net profit margin for 2023 was 10.62%, a 31.08% decline from 2022.
• Northrop Grumman average net profit margin for 2022 was 15.41%, a 9.6% decline from 2021.
• Northrop Grumman average net profit margin for 2021 was 14.06%, a 93.4% increase from 2020.

Net profit margin can be defined as net Income as a portion of total sales revenue.