Aon (AON) Debt to Equity (2009 - 2026)

Aon's Debt to Equity history runs 18 years deep, the most recent figure standing at $1.47 for Q1 2026.

• In Q1 2026, Debt to Equity fell 39.91% year-over-year to $1.47; the TTM figure through Mar 2026 stood at $1.47 (down 39.91% YoY), while the FY2025 annual figure was $1.63, down 39.58% from the prior year.
• Debt to Equity was $1.47 for Q1 2026 at Aon, down from $1.63 in the prior quarter.
• In the past five years, Debt to Equity ranged from a high of $195.72 in Q1 2023 to a low of -$590.07 in Q1 2024.
• Historically, Debt to Equity has averaged -$21.45 across 5 years, with a median of $2.16 in 2025.
• The sharpest annual moves came in 2022 and 2023: Debt to Equity tumbled 542.28% in 2022, then surged 2357.02% in 2023.
• A 5-year view of Debt to Equity shows it stood at -$25.1 in 2022, then soared by 39.88% to -$15.09 in 2023, then surged by 117.88% to $2.7 in 2024, then slumped by 39.58% to $1.63 in 2025, then dropped by 9.69% to $1.47 in 2026.
• The last three Debt to Equity figures came in at $1.47 (Q1 2026), $1.63 (Q4 2025), and $2.11 (Q3 2025), per Business Quant data.