• Aon average net profit margin for 2024 was 17.57%, a 13.58% decline from 2023.
• Aon average net profit margin for 2023 was 20.33%, a 22.69% decline from 2022.
• Aon average net profit margin for 2022 was 16.57%, a 22.29% increase from 2021.

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