Aon AON
NYSE AON
$355.15 +3.22 (+0.92%)
As of: Aug 21, 2026 · 3:59 PM EDT

Aon (AON) Debt Ratio (2009 - 2026)

Aon (AON) posted quarterly Debt Ratio of 0.28 for Q2 2026, down 12.35% year-over-year from 0.32 in Q2 2025, and down 1.6% quarter-over-quarter from 0.29 in Q1 2026.

Aon (AON) Debt Ratio (2009 - 2026) Analysis & Trends

Aon's Debt Ratio history runs 18 years deep, the most recent figure standing at 0.28 for Q2 2026.

  • In Q2 2026, Debt Ratio fell 12.35% year-over-year to 0.28; the TTM figure through Jun 2026 stood at 0.28 (down 12.35% YoY), while the FY2025 annual figure was 0.3, down 13.59% from the prior year.
  • Debt Ratio for Q2 2026 stood at 0.28, down from 0.29 in the prior quarter.
  • The five-year high for Debt Ratio was 0.41 in Q1 2024, with the low at 0.28 in Q2 2026.
  • The 5-year median for Debt Ratio is 0.33 (2022), against an average of 0.33.
  • The sharpest annual moves came in 2022 and 2026: Debt Ratio soared 42.25% in 2022, then fell 18.66% in 2026.
  • Aon's Debt Ratio stood at 0.33 in 2022, then climbed by 0.14% to 0.33 in 2023, then rose by 5.38% to 0.35 in 2024, then slipped by 13.59% to 0.3 in 2025, then decreased by 6.56% to 0.28 in 2026.
  • Business Quant data shows AON's Debt Ratio at 0.28 in Q2 2026, 0.29 in Q1 2026, and 0.3 in Q4 2025.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Debt Ratio (Qtr)
1 XChange TEC.INC 265.99 Bn 265.99 Bn - 17.42
2 Marsh & Mclennan Companies 92.14 Bn 79.94 Bn 6.04 Bn 0.36
3 Aon 75.64 Bn 74.37 Bn - 0.28
4 Arthur J. Gallagher 67.55 Bn 66.16 Bn - 0.16
5 Willis Towers Watson 32.13 Bn 30.47 Bn 2.09 Bn 0.21
6 Brown & Brown 23.98 Bn 23.06 Bn 1.41 Bn 0.26
7 Erie Indemnity 12.29 Bn 11.94 Bn - -
8 Neptune Insurance Holdings 4.61 Bn 4.59 Bn - 2.35
9 Accelerant Holdings 4.28 Bn 2.62 Bn 285.20 Mn 0.01
10 Corvel 3.60 Bn 3.25 Bn - -

Historic Data

Download Data
DateValue
Jun 30, 2026 0.28
Mar 31, 2026 0.29
Dec 31, 2025 0.30
Sep 30, 2025 0.33
Jun 30, 2025 0.32
Mar 31, 2025 0.35
Dec 31, 2024 0.35
Sep 30, 2024 0.34
Jun 30, 2024 0.34
Mar 31, 2024 0.41
Dec 31, 2023 0.33
Sep 30, 2023 0.34
Jun 30, 2023 0.31
Mar 31, 2023 0.33
Dec 31, 2022 0.33
Sep 30, 2022 0.35
Jun 30, 2022 0.30
Mar 31, 2022 0.31
Dec 31, 2021 0.29
Sep 30, 2021 0.26