Latest period
$15.7B
YoY change
-7.6%
5Y CAGR
+13.1%
Peak year (FY2024)
$17.9B
Latest annual
$16.5B
Total Debt history chart for Aon (AON) from 2016 to 2025
Latest: $16.5B
Total Debt growth chart for Aon (AON) from 2016 to 2025
Latest: -7.6%
Total Debt history table for Aon (AON) from 1985 to 2025
| FY2025 | $16.5B | -7.6% | -$1.36B | ||
| FY2024 | $17.9B | +48.7% | +$5.86B | ||
| FY2023 | $12B | +3.0% | +$355M | ||
| FY2022 | $11.7B | +12.0% | +$1.25B | ||
| FY2021 | $10.4B | +16.8% | +$1.5B | ||
| FY2020 | $8.93B | +4.2% | +$356M | ||
| FY2019 | $8.57B | +33.6% | +$2.16B | ||
| FY2018 | $6.41B | +4.8% | +$294M | ||
| FY2017 | $6.12B | -3.5% | -$222M | ||
| FY2016 | $6.34B | +8.1% | +$475M | ||
| FY2015 | $5.87B | +1.7% | +$100M | ||
| FY2014 | $5.77B | +25.5% | +$1.17B | ||
| FY2013 | $4.59B | +4.9% | +$213M | ||
| FY2012 | $4.38B | -2.5% | -$112M | ||
| FY2011 | $4.49B | -0.3% | -$14M | ||
| FY2010 | $4.51B | +124.4% | +$2.5B | ||
| FY2009 | $2.01B | +1.6% | +$31M | ||
| FY2008 | $1.98B | -7.8% | -$168M | ||
| FY2007 | $2.15B | -6.1% | -$140M | ||
| FY2006 | $2.29B | +8.2% | +$173M | ||
| FY2005 | $2.11B | -0.2% | -$5M | ||
| FY2004 | $2.12B | -1.4% | -$31M | ||
| FY2003 | $2.15B | +20.1% | +$360M | ||
| FY2002 | $1.79B | -8.4% | -$163M | ||
| FY2001 | $1.95B | -7.4% | -$156M | ||
| FY2000 | $2.11B | +10.1% | +$193M | ||
| FY1999 | $1.91B | +34.4% | +$490M | ||
| FY1998 | $1.42B | +1.6% | +$23M | ||
| FY1997 | $1.4B | +103.6% | +$713M | ||
| FY1996 | $688M | -7.0% | -$51.4M | ||
| FY1995 | $739M | 0.0% | $0.00 | ||
| FY1994 | $739M | +7.2% | +$49.5M | ||
| FY1993 | $690M | +16.3% | +$96.9M | ||
| FY1992 | $593M | +23.2% | +$112M | ||
| FY1991 | $481M | +6.3% | +$28.6M | ||
| FY1990 | $453M | +3.3% | +$14.6M | ||
| FY1989 | $438M | +15.4% | +$58.6M | ||
| FY1988 | $380M | -12.9% | -$56M | ||
| FY1987 | $436M | +65.0% | +$172M | ||
| FY1986 | $264M | +187.2% | +$172M | ||
| FY1985 | $91.9M | — | — |
- FY2025$16.5B-7.6%
- FY2024$17.9B+48.7%
- FY2023$12B+3.0%
- FY2022$11.7B+12.0%
- FY2021$10.4B+16.8%
- FY2020$8.93B+4.2%
- FY2019$8.57B+33.6%
- FY2018$6.41B+4.8%
- FY2017$6.12B-3.5%
- FY2016$6.34B+8.1%
- FY2015$5.87B+1.7%
- FY2014$5.77B+25.5%
- FY2013$4.59B+4.9%
- FY2012$4.38B-2.5%
- FY2011$4.49B-0.3%
- FY2010$4.51B+124.4%
- FY2009$2.01B+1.6%
- FY2008$1.98B-7.8%
- FY2007$2.15B-6.1%
- FY2006$2.29B+8.2%
- FY2005$2.11B-0.2%
- FY2004$2.12B-1.4%
- FY2003$2.15B+20.1%
- FY2002$1.79B-8.4%
- FY2001$1.95B-7.4%
- FY2000$2.11B+10.1%
- FY1999$1.91B+34.4%
- FY1998$1.42B+1.6%
- FY1997$1.4B+103.6%
- FY1996$688M-7.0%
- FY1995$739M0.0%
- FY1994$739M+7.2%
- FY1993$690M+16.3%
- FY1992$593M+23.2%
- FY1991$481M+6.3%
- FY1990$453M+3.3%
- FY1989$438M+15.4%
- FY1988$380M-12.9%
- FY1987$436M+65.0%
- FY1986$264M+187.2%
- FY1985$91.9M—
Total Debt values are taken from Aon's reported balance sheets (interim 6-K and annual 20-F filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the filing date. YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
About Total Debt at Aon (AON)
According to Aon's latest reported financial statements, the company's latest reported total debt is $15.7B. Total debt is the sum of short-term and long-term interest-bearing borrowings on the balance sheet (notes, bonds, term loans, lease liabilities). Useful for leverage and refinancing risk — compare with cash on hand for net leverage, and total liabilities for the broader obligations picture.
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .
Aon (AON) most recent annual total debt stands at $16.5B (2025) – declined 7.6% year-over-year.
Looking at the 2020–2025 (5 years) stretch, Aon total debt compounded at +13.1% per year, with mixed annual results across the window.
Across the available history, total debt reached its high of $17.9B in 2024 and its low of $91.9M in 1985.
Aon Total Debt by Year
Aon Total Debt 2025: $16.5B
In 2025, Aon reported total debt of $16.5B, declined 7.6% below 2024.
Aon Total Debt 2024: $17.9B
Aon total debt in 2024 was $17.9B, surged 48.7% from 2023. This figure represents the highest annual value in the available history.
Aon Total Debt 2023: $12B
2023's total debt for Aon came in at $12B, edged up 3.0% from 2022.
Aon Total Debt 2022: $11.7B
Aon posted total debt of $11.7B in 2022, grew 12.0% from 2021.
Aon Total Debt 2021: $10.4B
Aon total debt in 2021 was $10.4B.
See more financial history for Aon (AON).
Sector peers by Total Debt
Financial Services peers of Aon (AON), ranked by their latest total debt
| $942B | |
| $610B | |
| $476B | |
| $426B | |
| $366B | |
| $139B | |
| $25.2B | |
| $19B |
- $942B
- $610B
- $476B
- $426B
- $25.2B
- $19B
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