Aon (AON) Total Debt (2009 - 2026)

Aon's Total Debt history runs 18 years deep, the most recent figure standing at $14.7 billion for Q1 2026.

• In Q1 2026, Total Debt fell 16.84% year-over-year to $14.7 billion; the TTM figure through Mar 2026 stood at $14.7 billion (down 16.84% YoY), while the FY2025 annual figure was $15.2 billion, down 10.38% from the prior year.
• Total Debt was $14.7 billion for Q1 2026 at Aon, down from $15.2 billion in the prior quarter.
• In the past five years, Total Debt ranged from a high of $17.6 billion in Q1 2025 to a low of $10.3 billion in Q1 2022.
• Historically, Total Debt has averaged $14.0 billion across 5 years, with a median of $14.7 billion in 2026.
• The sharpest annual moves came in 2024 and 2026: Total Debt surged 55.5% in 2024, then dropped 16.84% in 2026.
• A 5-year view of Total Debt shows it stood at $10.8 billion in 2022, then rose by 3.98% to $11.2 billion in 2023, then jumped by 51.94% to $17.0 billion in 2024, then dropped by 10.38% to $15.2 billion in 2025, then fell by 3.84% to $14.7 billion in 2026.
• The last three Total Debt figures came in at $14.7 billion (Q1 2026), $15.2 billion (Q4 2025), and $16.8 billion (Q3 2025), per Business Quant data.