Total Debt for Aon (AON)
According to Aon's latest reported financial statements, the company's latest reported total debt is $16.53B USD. 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 — combine with cash on hand for net debt, and see 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
Currently viewingTotal DebtSwitch metric
Latest period
$16.53B
YoY change
-7.6%
5Y CAGR
+13.1%
Peak year (2024)
$17.89B
Latest annual
$16.53B
Total Debt history chart for Aon (AON) from 1985 to 2025
Total Debt history table for Aon (AON) from 1985 to 2025
| Fiscal year | Period ended | Reported | Total Debt | YoY |
|---|---|---|---|---|
| 2025 | $16.53B | -7.6% | ||
| 2024 | $17.89B | +48.7% | ||
| 2023 | $12.03B | +3.0% | ||
| 2022 | $11.68B | +12.0% | ||
| 2021 | $10.42B | +16.8% | ||
| 2020 | $8.93B | +4.2% | ||
| 2019 | $8.57B | +33.6% | ||
| 2018 | $6.41B | +4.8% | ||
| 2017 | $6.12B | -3.5% | ||
| 2016 | $6.34B | +8.1% | ||
| 2015 | $5.87B | +1.7% | ||
| 2014 | $5.77B | +25.5% | ||
| 2013 | $4.59B | +4.9% | ||
| 2012 | $4.38B | -2.5% | ||
| 2011 | $4.49B | -0.3% | ||
| 2010 | $4.51B | +124.4% | ||
| 2009 | $2.01B | +1.6% | ||
| 2008 | $1.98B | -7.8% | ||
| 2007 | $2.15B | -6.1% | ||
| 2006 | $2.29B | +8.2% | ||
| 2005 | $2.11B | -0.2% | ||
| 2004 | $2.12B | -1.4% | ||
| 2003 | $2.15B | +20.1% | ||
| 2002 | $1.79B | -8.4% | ||
| 2001 | $1.95B | -7.4% | ||
| 2000 | $2.11B | +10.1% | ||
| 1999 | $1.91B | +34.4% | ||
| 1998 | $1.42B | +1.6% | ||
| 1997 | $1.40B | +103.6% | ||
| 1996 | $688.00M | -7.0% | ||
| 1995 | $739.40M | 0.0% | ||
| 1994 | $739.40M | +7.2% | ||
| 1993 | $689.90M | +16.3% | ||
| 1992 | $593.00M | +23.2% | ||
| 1991 | $481.30M | +6.3% | ||
| 1990 | $452.70M | +3.3% | ||
| 1989 | $438.10M | +15.4% | ||
| 1988 | $379.50M | -12.9% | ||
| 1987 | $435.50M | +65.0% | ||
| 1986 | $263.90M | +187.2% | ||
| 1985 | $91.90M | — |
Total Debt values are taken from Aon's reported balance sheets (10-Q quarterly and 10-K annual filings with the U.S. Securities and Exchange Commission). Each row shows the period end date and the date the filing was reported; YoY compares each figure to the same period one year earlier. Amounts are in USD as filed.
Analysis
Aon (AON) most recent annual total debt stands at $16.53B (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 the latest reading among the more recent periods of the dataset.
Across the available history, total debt reached its high of $17.89B in 2024 and its low of $91.90M in 1985.
Aon (AON) sits 9th of 8 Financial Services peers we track on this metric, against a peer median of $395.81B.
Aon Total Debt by Year
Aon Total Debt 2025: $16.53B
Aon total debt in 2025 was $16.53B, declined 7.6% below 2024.
Aon Total Debt 2024: $17.89B
Aon total debt in 2024 was $17.89B, surged 48.7% from 2023. This figure represents the highest annual value in the available history.
Aon Total Debt 2023: $12.03B
Aon total debt in 2023 was $12.03B, edged up 3.0% from 2022.
Aon Total Debt 2022: $11.68B
Aon total debt in 2022 was $11.68B, grew 12.0% from 2021.
Aon Total Debt 2021: $10.42B
Aon total debt in 2021 was $10.42B.
See more financial history for Aon (AON).
Sector peers — Total Debt
Companies in the same sector as Aon, ranked by their latest total debt.
| Company | Total Debt | Sector |
|---|---|---|
| JPMorgan Chase & Co. (JPM) | $942.38B | Financial Services |
| The Goldman Sachs Group, Inc. (GS) | $609.53B | Financial Services |
| Morgan Stanley (MS) | $475.56B | Financial Services |
| Wells Fargo & Company (WFC) | $425.72B | Financial Services |
| Bank of America Corporation (BAC) | $365.90B | Financial Services |
| Berkshire Hathaway Inc. (BRK-B) | $138.95B | Financial Services |
| Visa Inc. (V) | $25.17B | Financial Services |
| Mastercard Incorporated (MA) | $19.00B | Financial Services |
Frequently asked questions
What is Aon's total debt?
- Latest reported total debt for Aon (AON) is $16.53B (period ending December 31, 2025).
How has Aon total debt changed year-over-year?
- Aon (AON) total debt changed -7.6% year-over-year on the latest annual filing.
What is the long-term growth rate of Aon total debt?
- Aon (AON) total debt compound annual growth rate is +13.1% over the most recent 5 years available.
When did Aon total debt hit its highest annual value?
- Aon total debt reached its highest annual value of $17.89B in 2024.
What was Aon total debt in 2024?
- Aon (AON) total debt in 2024 was $17.89B.
What was Aon total debt in 2025?
- Aon (AON) total debt in 2025 was $16.53B.
Metrics overview
Pick a metric for charts, filings, and peers — each row shows the latest TTM or annual value with year-over-year change.
Explore more
AON Overview
Company profile, financial tools, and key metrics
AON Revenue Counter
Earns $544.81 every second. See per minute, hour, and day.
AON Earnings Counter
Earns $117.17 per second net profit. See per minute, hour, and day.
AON Economic Scale
Exceeds North Macedonia's GDP. Compare with world economies.
AON What If Invested
What if you had invested $1,000? See historical returns from any date.
AON How It Makes Money
Discover visual breakdown of $17.18B in revenue — where it comes from and where it goes.
AON Stock Seasonality
Best and worst months to invest. Historical monthly returns heatmap.
AON Price Target Scenarios
Model bear, base, and bull cases with EPS growth and exit P/E — pre-filled from analysts and history.
AON Daily Price Character
Steady · 49.1% historical win rate (green days). Streaks & record days.
AON Buybacks
1.32% TTM buyback yield. Shareholder yield & SBC comparison.
AON Stock Split History
4 splits on record. Dates, ratios, and cumulative multiple.
AON Dividend Profile
Yield: 0.92%. Safety: 7/8. See full history.
AON Dividend Calculator
How much dividend income would $1,000 have earned? Calculate from any date.
AON Dividend Forecast
Project future income with DRIP, growth assumptions, and optional monthly contributions.