Quick Answer
Aon plc reported Total Assets of $50.78 billion for fiscal year 2025.
Aon plc Total Assets — Annual History
| Fiscal Year | Total Assets | YoY Change |
|---|---|---|
| 2025 | $50.78B | +3.7% |
| 2024 | $48.97B | +44.2% |
| 2023 | $33.96B | +3.8% |
| 2022 | $32.70B | +2.5% |
| 2021 | $31.92B | -0.6% |
| 2020 | $32.11B | +9.2% |
| 2019 | $29.41B | +11.3% |
| 2018 | $26.42B | +1.3% |
| 2017 | $26.09B | -2.0% |
| 2016 | $26.61B | -1.0% |
| 2015 | $26.88B | -9.7% |
| 2014 | $29.77B | -1.6% |
| 2013 | $30.25B | -0.8% |
| 2012 | $30.49B | +3.2% |
| 2011 | $29.55B | +2.0% |
| 2010 | $28.98B | +26.2% |
| 2009 | $22.96B | +0.1% |
| 2008 | $22.94B | — |
Quarterly Total Assets
| Quarter Ending | Total Assets | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $51.64B | +3.5% | -4.4% |
| June 30, 2025 | $54.01B | +5.0% | +7.4% |
| March 31, 2025 | $50.30B | +23.4% | +2.7% |
| December 31, 2024 | $48.97B | +44.2% | -1.8% |
| September 30, 2024 | $49.88B | +50.7% | -3.0% |
| June 30, 2024 | $51.45B | +42.7% | +26.2% |
| March 31, 2024 | $40.77B | +19.0% | +20.0% |
| December 31, 2023 | $33.96B | +3.8% | +2.6% |
- Aon plc showed an increase of +3.7% in Total Assets compared to the prior fiscal year.
- Over the 2008–2025 period, Aon plc’s total assets has grown by 121.4% (from $22.94 billion to $50.78 billion).
- The most recent figure is from Aon plc’s fiscal year 2025 report (Form 10-K), filed with the SEC on February 13, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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