Operating Income for Aon (AON)
According to Aon's latest reported financial statements, the company's current operating income (TTM) is $4.47B USD. Operating income is profit from core operations: revenue minus cost of goods sold and operating expenses (SG&A, R&D). It excludes interest, taxes, and non-operating items, so it isolates how profitable the business itself is before financing and tax decisions. Compare with EBITDA and net income.
Headline TTM above sums the four reported quarters through (reported ). Chart and table below cover the full reported history back to .
AON
Currently viewingOperating IncomeSwitch metric
TTM (last 4 quarters)
$4.47B
YoY change
+13.3%
5Y CAGR
+9.3%
Peak year (1993)
$7.17B
Cumulative operating income
$93.69B
Operating Income history chart for Aon (AON) from 1985 to 2025
Operating Income history table for Aon (AON) from 1985 to 2025
| Fiscal year | Period ended | Reported | Operating Income | YoY |
|---|---|---|---|---|
| 2025 | $4.34B | +13.3% | ||
| 2024 | $3.83B | +1.3% | ||
| 2023 | $3.79B | +3.2% | ||
| 2022 | $3.67B | +75.6% | ||
| 2021 | $2.09B | -24.8% | ||
| 2020 | $2.78B | +28.2% | ||
| 2019 | $2.17B | +40.5% | ||
| 2018 | $1.54B | +45.0% | ||
| 2017 | $1.06B | -41.2% | ||
| 2016 | $1.81B | +14.1% | ||
| 2015 | $1.59B | -19.3% | ||
| 2014 | $1.97B | +17.7% | ||
| 2013 | $1.67B | +4.7% | ||
| 2012 | $1.60B | 0.0% | ||
| 2011 | $1.60B | +28.3% | ||
| 2010 | $1.24B | +21.8% | ||
| 2009 | $1.02B | +8.6% | ||
| 2008 | $940.00M | -19.2% | ||
| 2007 | $1.16B | +46.3% | ||
| 2006 | $795.00M | +12.4% | ||
| 2005 | $707.00M | -30.4% | ||
| 2004 | $1.02B | -16.1% | ||
| 2003 | $1.21B | +32.1% | ||
| 2002 | $917.00M | +74.3% | ||
| 2001 | $526.00M | -47.1% | ||
| 2000 | $994.00M | +34.3% | ||
| 1999 | $740.00M | -27.3% | ||
| 1998 | $1.02B | +66.6% | ||
| 1997 | $611.10M | +25.8% | ||
| 1996 | $485.70M | -1.9% | ||
| 1995 | $495.30M | -15.2% | ||
| 1994 | $584.00M | -91.9% | ||
| 1993 | $7.17B | +13.1% | ||
| 1992 | $6.34B | +15.5% | ||
| 1991 | $5.49B | +12.4% | ||
| 1990 | $4.88B | +16.3% | ||
| 1989 | $4.20B | -17.9% | ||
| 1988 | $5.11B | +9.3% | ||
| 1987 | $4.68B | +39.7% | ||
| 1986 | $3.35B | +34.5% | ||
| 1985 | $2.49B | — |
Operating Income values are taken from Aon's reported income statements (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
As of the 2025 fiscal year, Aon (AON) reported operating income of $4.34B – grew 13.3% year-over-year.
Aon operating income has grown for 4 consecutive years, with a +9.3% compound annual growth rate over 2020–2025 (5 years).
Aon operating income plunged from $7.17B in 1993 to $4.34B in 2025, a 39.4% drawdown.
The highest annual operating income of $7.17B was reported in 1993. The lowest in the available history was $485.70M in 1996.
Aon (AON) sits 9th of 8 Financial Services peers we track on this metric, against a peer median of $24.60B.
Aon Operating Income by Year
Aon Operating Income 2025: $4.34B
Aon operating income in 2025 was $4.34B, grew 13.3% from 2024.
Aon Operating Income 2024: $3.83B
Aon operating income in 2024 was $3.83B, edged up 1.3% from 2023.
Aon Operating Income 2023: $3.79B
Aon operating income in 2023 was $3.79B, edged up 3.2% from 2022.
Aon Operating Income 2022: $3.67B
Aon operating income in 2022 was $3.67B, surged 75.6% from 2021.
Aon Operating Income 2021: $2.09B
Aon operating income in 2021 was $2.09B.
See more financial history for Aon (AON).
Sector peers — Operating Income
Companies in the same sector as Aon, ranked by their latest operating income.
| Company | Operating Income | Sector |
|---|---|---|
| JPMorgan Chase & Co. (JPM) | $72.59B | Financial Services |
| Berkshire Hathaway Inc. (BRK-B) | $59.54B | Financial Services |
| Bank of America Corporation (BAC) | $37.70B | Financial Services |
| Wells Fargo & Company (WFC) | $25.20B | Financial Services |
| Visa Inc. (V) | $23.99B | Financial Services |
| Morgan Stanley (MS) | $21.95B | Financial Services |
| The Goldman Sachs Group, Inc. (GS) | $21.85B | Financial Services |
| Mastercard Incorporated (MA) | $19.40B | Financial Services |
Frequently asked questions
What is Aon's operating income?
- Latest reported operating income for Aon (AON) is $4.47B (period ending December 31, 2025).
How has Aon operating income changed year-over-year?
- Aon (AON) operating income changed +13.3% year-over-year on the latest annual filing.
What is the long-term growth rate of Aon operating income?
- Aon (AON) operating income compound annual growth rate is +9.3% over the most recent 5 years available.
When did Aon operating income hit its highest annual value?
- Aon operating income reached its highest annual value of $7.17B in 1993.
What was Aon operating income in 2024?
- Aon (AON) operating income in 2024 was $3.83B.
What was Aon operating income in 2025?
- Aon (AON) operating income in 2025 was $4.34B.
Metrics overview
Pick a metric for charts, filings, and peers — each row shows the latest TTM or annual value with year-over-year change.
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