Aon PLC (AON) — Net Asset Quality Index
Aon PLC (AON) has a Net Asset Quality Index of 18.2% as of June 2026. This metric measures the proportion of total assets financed by shareholders' equity — total assets of $53.35 Billion minus total liabilities of $43.64 Billion yields net assets of $9.71 Billion. A higher index indicates a stronger, lower-leverage balance sheet. Read AON current and long-term liabilities for a breakdown of total debt and financial obligations.
Quality Index
Net Assets
Total Assets
Total Liabilities
Aon PLC Net Asset Quality Index Over Time (1985–2025)
This chart shows how Aon PLC's Net Asset Quality Index has evolved across 41 annual periods from 1985 to 2025. As of June 2026, the index stands at 18.2%, representing net assets of $9.71 Billion against total assets of $53.35 Billion USD. For live market cap and overall valuation, see Aon PLC market capitalisation.
Annual Net Asset Quality Index for Aon PLC (1985–2025)
The table below presents the year-by-year Net Asset Quality Index for Aon PLC from 1985 to 2025, covering 41 annual filings. Each row shows total assets, total liabilities, net assets, the quality index percentage, and the change in percentage points compared to the prior year. Check AON PP&E to net assets ratio to assess the company's strategic physical and investment asset allocation.
| Year | Quality Index | Net Assets (USD) | Total Assets | Total Liabilities | Change (pp) |
|---|---|---|---|---|---|
| 2025 | 18.8% | $9.55 Billion | $50.78 Billion | $41.24 Billion | ▲ +5.7 pp |
| 2024 | 13.1% | $6.43 Billion | $48.97 Billion | $42.53 Billion | ▲ +15.3 pp |
| 2023 | -2.2% | $-742.00 Million | $33.96 Billion | $34.70 Billion | ▼ -0.9 pp |
| 2022 | -1.3% | $-429.00 Million | $32.70 Billion | $33.13 Billion | ▼ -4.9 pp |
| 2021 | 3.6% | $1.16 Billion | $31.93 Billion | $30.77 Billion | ▼ -7.5 pp |
| 2020 | 11.2% | $3.58 Billion | $32.11 Billion | $28.52 Billion | ▼ -0.6 pp |
| 2019 | 11.7% | $3.45 Billion | $29.41 Billion | $25.96 Billion | ▼ -4.2 pp |
| 2018 | 16.0% | $4.22 Billion | $26.42 Billion | $22.20 Billion | ▼ -1.8 pp |
| 2017 | 17.8% | $4.65 Billion | $26.09 Billion | $21.44 Billion | ▼ -3.0 pp |
| 2016 | 20.8% | $5.53 Billion | $26.61 Billion | $21.08 Billion | ▼ -1.9 pp |
| 2015 | 22.7% | $6.16 Billion | $27.16 Billion | $21.00 Billion | ▲ +0.4 pp |
| 2014 | 22.3% | $6.63 Billion | $29.77 Billion | $23.14 Billion | ▼ -4.8 pp |
| 2013 | 27.1% | $8.20 Billion | $30.25 Billion | $22.06 Billion | ▲ +1.5 pp |
| 2012 | 25.6% | $7.80 Billion | $30.49 Billion | $22.68 Billion | ▼ -1.9 pp |
| 2011 | 27.5% | $8.12 Billion | $29.55 Billion | $21.43 Billion | ▼ -1.2 pp |
| 2010 | 28.7% | $8.31 Billion | $28.98 Billion | $20.68 Billion | ▲ +5.0 pp |
| 2009 | 23.7% | $5.43 Billion | $22.96 Billion | $17.53 Billion | ▲ +0.7 pp |
| 2008 | 22.9% | $5.31 Billion | $23.17 Billion | $17.86 Billion | ▼ -2.0 pp |
| 2007 | 24.9% | $6.22 Billion | $24.95 Billion | $18.73 Billion | ▲ +3.5 pp |
| 2006 | 21.5% | $5.22 Billion | $24.32 Billion | $19.10 Billion | ▲ +2.4 pp |
| 2005 | 19.1% | $5.30 Billion | $27.82 Billion | $22.52 Billion | ▲ +1.0 pp |
| 2004 | 18.0% | $5.10 Billion | $28.33 Billion | $23.23 Billion | ▲ +1.4 pp |
| 2003 | 16.6% | $4.50 Billion | $27.03 Billion | $22.53 Billion | ▼ -1.5 pp |
| 2002 | 18.1% | $4.60 Billion | $25.33 Billion | $20.74 Billion | ▼ -1.2 pp |
| 2001 | 19.3% | $4.32 Billion | $22.39 Billion | $18.07 Billion | ▲ +0.5 pp |
| 2000 | 18.8% | $4.19 Billion | $22.25 Billion | $18.06 Billion | ▲ +0.6 pp |
| 1999 | 18.2% | $3.85 Billion | $21.13 Billion | $17.28 Billion | ▼ -1.2 pp |
| 1998 | 19.4% | $3.82 Billion | $19.69 Billion | $15.87 Billion | ▲ +0.0 pp |
| 1997 | 19.4% | $3.62 Billion | $18.69 Billion | $15.07 Billion | ▼ -1.3 pp |
| 1996 | 20.6% | $2.83 Billion | $13.72 Billion | $10.89 Billion | ▲ +9.2 pp |
| 1995 | 11.4% | $2.26 Billion | $19.74 Billion | $17.48 Billion | ▼ -1.2 pp |
| 1994 | 12.6% | $2.26 Billion | $17.92 Billion | $15.66 Billion | ▼ -1.5 pp |
| 1993 | 14.1% | $2.29 Billion | $16.28 Billion | $13.99 Billion | ▼ -0.7 pp |
| 1992 | 14.7% | $2.10 Billion | $14.29 Billion | $12.19 Billion | ▼ -0.5 pp |
| 1991 | 15.3% | $1.77 Billion | $11.63 Billion | $9.86 Billion | ▲ +1.3 pp |
| 1990 | 14.0% | $1.46 Billion | $10.43 Billion | $8.97 Billion | ▼ -1.6 pp |
| 1989 | 15.5% | $1.42 Billion | $9.16 Billion | $7.74 Billion | ▲ +0.4 pp |
| 1988 | 15.2% | $1.25 Billion | $8.27 Billion | $7.01 Billion | ▼ -0.8 pp |
| 1987 | 16.0% | $1.13 Billion | $7.08 Billion | $5.95 Billion | ▼ -3.4 pp |
| 1986 | 19.3% | $1.14 Billion | $5.90 Billion | $4.76 Billion | ▼ -11.1 pp |
| 1985 | 30.4% | $972.90 Million | $3.20 Billion | $2.22 Billion | — |