• Aon average ebitda margin for 2023 was 31.75%, a 22.3% decline from 2022.
• Aon average ebitda margin for 2022 was 25.96%, a 8.03% increase from 2021.
• Aon average ebitda margin for 2021 was 24.03%, a 13.06% increase from 2020.

Ebitda margin can be defined as earnings before interest, taxes, depreciation and amortization as a portion of total revenue.