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.

• On a quarterly basis, Total Debt fell 16.84% year-over-year to $14.7 billion in Q1 2026; TTM through Mar 2026 was $14.7 billion, a 16.84% decrease from a year earlier, with the FY2025 full-year figure at $15.2 billion, down 10.38% from the prior year.
• Total Debt declined to $14.7 billion in Q1 2026 per AON's latest filing, from $15.2 billion in the prior quarter.
• Across five years, Total Debt topped out at $17.6 billion in Q1 2025 and bottomed at $10.3 billion in Q1 2022.
• The 5-year median for Total Debt is $14.7 billion (2026), against an average of $14.0 billion.
• Across the five-year window, Total Debt jumped 55.5% in 2024 and fell 16.84% in 2026, its largest moves.
• Year by year, Total Debt 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.
• Per Business Quant, the three latest AON Total Debt figures stand at $14.7 billion (Q1 2026), $15.2 billion (Q4 2025), and $16.8 billion (Q3 2025).