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Aon plc (AON) — Shares Outstanding

Annual figures by fiscal year, from SEC filings.

2007: 326.90M2008: 304.50M2009: 291.10M2010: 298.10M2011: 340.90M2012: 332.60M2013: 315.40M2014: 299.60M2015: 283.80M2016: 270.30M2017: 260.70M2018: 247.00M2019: 240.60M2020: 233.10M2021: 226.10M2022: 213.20M2023: 205.00M2024: 212.50M2025: 217.10M217.10M
2007Shares Outstanding (shares)2025
Fiscal YearShares OutstandingChange YoY
2025217.10M+2.2%
2024212.50M+3.7%
2023205.00M-3.8%
2022213.20M-5.7%
2021226.10M-3.0%
2020233.10M-3.1%
2019240.60M-2.6%
2018247.00M-5.3%
2017260.70M-3.6%
2016270.30M-4.8%
2015283.80M-5.3%
2014299.60M-5.0%
2013315.40M-5.2%
2012332.60M-2.4%
2011340.90M+14.4%
2010298.10M+2.4%
2009291.10M-4.4%
2008304.50M-6.9%
2007326.90M—