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Ratios
Asset Utilization RatioAssets AverageDebt RatioDebt to EquityEBIT MarginEBITDA MarginEBT MarginEnterprise ValueEquity AverageEquity RatioFCF MarginFCF Payout RatioInterest Coverage RatioInvested CapitalNet MarginOperating MarginReturn on AssetsReturn on Capital EmployedReturn on EquityReturn on Invested CapitalReturn on SalesTimes Interest Earned

Aon (AON) Debt to Equity (2016 - 2025)

Aon has reported Debt to Equity over the past 17 years, most recently at $1.61 for Q4 2025.

  • Quarterly results put Debt to Equity at $1.61 for Q4 2025, down 40.27% from a year ago — trailing twelve months through Dec 2025 was $1.61 (down 40.27% YoY), and the annual figure for FY2025 was $1.61, down 40.27%.
  • Debt to Equity for Q4 2025 was $1.61 at Aon, down from $2.07 in the prior quarter.
  • Over the last five years, Debt to Equity for AON hit a ceiling of $195.72 in Q1 2023 and a floor of -$590.07 in Q1 2024.
  • Median Debt to Equity over the past 5 years was $2.33 (2025), compared with a mean of -$17.56.
  • Biggest five-year swings in Debt to Equity: crashed 542.28% in 2022 and later skyrocketed 2357.02% in 2023.
  • Aon's Debt to Equity stood at $8.11 in 2021, then plummeted by 409.53% to -$25.1 in 2022, then skyrocketed by 39.88% to -$15.09 in 2023, then soared by 117.88% to $2.7 in 2024, then crashed by 40.27% to $1.61 in 2025.
  • The last three reported values for Debt to Equity were $1.61 (Q4 2025), $2.07 (Q3 2025), and $2.2 (Q2 2025) per Business Quant data.