TTM
27.6%
YoY change
+0.85pp
Trough year (2001)
7.1%
Peak year (1992)
190.0%
Latest annual
25.3%
Operating Margin history chart for Aon (AON) from 1985 to 2025
Latest: 25.3%
Operating Margin change chart for Aon (AON) from 1985 to 2025
Latest: +0.85pp
Operating Margin history table for Aon (AON) from 1985 to 2025
| 2025 | 25.3% | +0.85pp | ||
| 2024 | 24.4% | -3.87pp | ||
| 2023 | 28.3% | -1.10pp | ||
| 2022 | 29.4% | +12.26pp | ||
| 2021 | 17.1% | -7.99pp | ||
| 2020 | 25.1% | +5.44pp | ||
| 2019 | 19.7% | +5.36pp | ||
| 2018 | 14.3% | +3.68pp | ||
| 2017 | 10.7% | -8.60pp | ||
| 2016 | 19.2% | +2.51pp | ||
| 2015 | 16.7% | +0.42pp | ||
| 2014 | 16.3% | +2.18pp | ||
| 2013 | 14.1% | +0.28pp | ||
| 2012 | 13.9% | -0.28pp | ||
| 2011 | 14.1% | -0.47pp | ||
| 2010 | 14.6% | +1.17pp | ||
| 2009 | 13.4% | +0.96pp | ||
| 2008 | 12.5% | -3.32pp | ||
| 2007 | 15.8% | +4.25pp | ||
| 2006 | 11.6% | +0.92pp | ||
| 2005 | 10.6% | +0.64pp | ||
| 2004 | 10.0% | -2.36pp | ||
| 2003 | 12.3% | +0.02pp | ||
| 2002 | 12.3% | +5.24pp | ||
| 2001 | 7.1% | -6.50pp | ||
| 2000 | 13.6% | +3.11pp | ||
| 1999 | 10.5% | -5.21pp | ||
| 1998 | 15.7% | +5.05pp | ||
| 1997 | 10.6% | -1.87pp | ||
| 1996 | 12.5% | -1.80pp | ||
| 1995 | 14.3% | +0.24pp | ||
| 1994 | 14.0% | -172.39pp | ||
| 1993 | 186.4% | -3.60pp | ||
| 1992 | 190.0% | +2.74pp | ||
| 1991 | 187.3% | +1.35pp | ||
| 1990 | 185.9% | +1.72pp | ||
| 1989 | 184.2% | -4.66pp | ||
| 1988 | 188.9% | -0.59pp | ||
| 1987 | 189.5% | +4.03pp | ||
| 1986 | 185.5% | +2.37pp | ||
| 1985 | 183.1% | — |
- 202525.3%+0.85pp
- 202424.4%-3.87pp
- 202328.3%-1.10pp
- 202229.4%+12.26pp
- 202117.1%-7.99pp
- 202025.1%+5.44pp
- 201919.7%+5.36pp
- 201814.3%+3.68pp
- 201710.7%-8.60pp
- 201619.2%+2.51pp
- 201516.7%+0.42pp
- 201416.3%+2.18pp
- 201314.1%+0.28pp
- 201213.9%-0.28pp
- 201114.1%-0.47pp
- 201014.6%+1.17pp
- 200913.4%+0.96pp
- 200812.5%-3.32pp
- 200715.8%+4.25pp
- 200611.6%+0.92pp
- 200510.6%+0.64pp
- 200410.0%-2.36pp
- 200312.3%+0.02pp
- 200212.3%+5.24pp
- 20017.1%-6.50pp
- 200013.6%+3.11pp
- 199910.5%-5.21pp
- 199815.7%+5.05pp
- 199710.6%-1.87pp
- 199612.5%-1.80pp
- 199514.3%+0.24pp
- 199414.0%-172.39pp
- 1993186.4%-3.60pp
- 1992190.0%+2.74pp
- 1991187.3%+1.35pp
- 1990185.9%+1.72pp
- 1989184.2%-4.66pp
- 1988188.9%-0.59pp
- 1987189.5%+4.03pp
- 1986185.5%+2.37pp
- 1985183.1%—
Operating Margin values are taken from Aon's reported income statements (quarterly 10-Q and annual 10-K 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 Operating Margin at Aon (AON)
According to Aon's latest reported financial statements, the company's latest reported operating margin is 27.6%. Operating margin is operating income divided by revenue — the share of each sales dollar left after cost of goods sold and operating expenses (SG&A, R&D), but before interest and taxes. It isolates how profitable the core business is before financing and tax decisions, so it is comparable across companies with different capital structures.
Headline figure above is from the reporting period ending (reported ). Chart and table below cover the full reported history back to .
As of the 2025 fiscal year, Aon (AON) reported operating margin of 25.28% – expanded 0.9 percentage points year-over-year.
1992 marks the peak operating margin at 190.04%, with the historical low of 7.08% recorded in 2001.
Aon Operating Margin by Year
Aon Operating Margin 2025: 25.3%
2025's operating margin for Aon came in at 25.28%, expanded 0.9 percentage points from 2024.
Aon Operating Margin 2024: 24.4%
Aon posted operating margin of 24.43% in 2024, contracted 3.9 percentage points from 2023.
Aon Operating Margin 2023: 28.3%
In 2023, Aon reported operating margin of 28.30%, contracted 1.1 percentage points from 2022.
Aon Operating Margin 2022: 29.4%
Aon operating margin in 2022 was 29.40%, expanded 12.3 percentage points from 2021.
Aon Operating Margin 2021: 17.1%
Aon operating margin in 2021 was 17.14%.
See more financial history for Aon (AON).
Sector peers by Operating Margin
Financial Services peers of Aon (AON), ranked by their latest operating margin
| 61.1% | |
| 59.4% | |
| 26.2% | |
| 22.9% | |
| 20.5% | |
| 20.5% | |
| 19.5% | |
| 16.1% |
- 61.1%
- 59.4%
- 26.2%
- 20.5%
- 20.5%
- 19.5%
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