Aon (AON) Change in Taxes (2009 - 2026)

Aon's Change in Taxes history runs 18 years deep, the most recent figure standing at $243.0 million for Q1 2026.

• In Q1 2026, Change in Taxes rose 59.87% year-over-year to $243.0 million; the TTM figure through Mar 2026 stood at $205.0 million (up 1963.64% YoY), while the FY2025 annual figure was $114.0 million, changed N/A from the prior year.
• Change in Taxes was $243.0 million for Q1 2026 at Aon, down from $255.0 million in the prior quarter.
• In the past five years, Change in Taxes ranged from a high of $255.0 million in Q4 2025 to a low of -$225.0 million in Q2 2025.
• Historically, Change in Taxes has averaged $43.9 million across 5 years, with a median of $80.0 million in 2022.
• The sharpest annual moves came in 2023 and 2024: Change in Taxes surged 600.0% in 2023, then slumped 3680.0% in 2024.
• A 5-year view of Change in Taxes shows it stood at $80.0 million in 2022, then surged by 45.0% to $116.0 million in 2023, then advanced by 2.59% to $119.0 million in 2024, then soared by 114.29% to $255.0 million in 2025, then slipped by 4.71% to $243.0 million in 2026.
• The last three Change in Taxes figures came in at $243.0 million (Q1 2026), $255.0 million (Q4 2025), and -$68.0 million (Q3 2025), per Business Quant data.