Aon (AON) Tax Rate (2009 - 2026)
Aon (AON) posted quarterly Tax Rate of 21.96% for Q2 2026, up 646.0% year-over-year from 2.94% in Q2 2025, and up 8.62% quarter-over-quarter from 20.22% in Q1 2026.
Aon (AON) Tax Rate (2009 - 2026) Analysis & Trends
Aon's Tax Rate history runs 18 years deep, the most recent figure standing at 21.96% for Q2 2026.
- In Q2 2026, Tax Rate rose 646.0% year-over-year to 21.96%; the TTM figure through Jun 2026 stood at 21.74% (up 267.0% YoY), while the FY2025 annual figure was 21.2%, down 23.0% from the prior year.
- Tax Rate for Q2 2026 stood at 21.96%, up from 20.22% in the prior quarter.
- The five-year high for Tax Rate was 23.24% in Q1 2024, with the low at 6.06% in Q4 2022.
- The 5-year median for Tax Rate is 19.61% (2022), against an average of 18.67%.
- Peak annual rise in Tax Rate reached 2069 bps in 2022, while the deepest fall reached 1526 bps in 2022.
- Aon's Tax Rate stood at 6.06% in 2022, then surged by 176 bps to 16.75% in 2023, then rose by 5 bps to 17.62% in 2024, then gained by 30 bps to 22.86% in 2025, then decreased by 4 bps to 21.96% in 2026.
- Business Quant data shows AON's Tax Rate at 21.96% in Q2 2026, 20.22% in Q1 2026, and 22.86% in Q4 2025.
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Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Tax Rate (Qtr) |
|---|---|---|---|---|---|
| 1 | XChange TEC.INC | 279.91 Bn | 279.90 Bn | - | - |
| 2 | Marsh & Mclennan Companies | 91.40 Bn | 79.19 Bn | 6.04 Bn | 24.15% |
| 3 | Aon | 75.07 Bn | 73.80 Bn | - | 21.96% |
| 4 | Arthur J. Gallagher | 66.45 Bn | 65.07 Bn | - | 21.74% |
| 5 | Willis Towers Watson | 32.02 Bn | 30.36 Bn | 2.09 Bn | 19.52% |
| 6 | Brown & Brown | 23.72 Bn | 22.80 Bn | 1.41 Bn | 24.54% |
| 7 | Erie Indemnity | 12.11 Bn | 11.77 Bn | - | 20.95% |
| 8 | Neptune Insurance Holdings | 4.50 Bn | 4.48 Bn | - | 31.88% |
| 9 | Accelerant Holdings | 4.28 Bn | 2.62 Bn | 285.20 Mn | 8.47% |
| 10 | Corvel | 3.60 Bn | 3.25 Bn | - | - |
Historic Data
Download Data| Date | Value |
|---|---|
| Jun 30, 2026 | 21.96% |
| Jun 30, 2026 | 21.96% |
| Jun 30, 2026 | 21.96% |
| Mar 31, 2026 | 20.22% |
| Mar 31, 2026 | 20.22% |
| Mar 31, 2026 | 20.22% |
| Dec 31, 2025 | 22.86% |
| Dec 31, 2025 | 22.86% |
| Dec 31, 2025 | 22.86% |
| Sep 30, 2025 | 21.27% |
| Sep 30, 2025 | 21.27% |
| Sep 30, 2025 | 21.27% |
| Jun 30, 2025 | 15.50% |
| Jun 30, 2025 | 15.50% |
| Jun 30, 2025 | 15.50% |
| Mar 31, 2025 | 21.44% |
| Mar 31, 2025 | 21.44% |
| Mar 31, 2025 | 21.44% |
| Dec 31, 2024 | 17.62% |
| Dec 31, 2024 | 17.62% |