Hanover Insurance (THG) Tax Rate (2009 - 2026)

Hanover Insurance has reported Tax Rate for 18 years, with the latest figure at 21.21% in Q1 2026.

• For the quarter ending Q1 2026, Tax Rate rose 129.0% year-over-year to 21.21%; the trailing twelve-month figure through Mar 2026 stood at 20.96% (down 314.0% YoY), and the FY2025 full-year result was 21.7%, down 268.0% from the prior year.
• Tax Rate for Q1 2026 stood at 21.21%, down from 23.58% in the prior quarter.
• The five-year high for Tax Rate was 2580.0% in Q3 2022, with the low at 31.43% in Q1 2023.
• Historically, Tax Rate has averaged 178.45% across 5 years, with a median of 21.28% in 2024.
• Annual changes were most pronounced in 2022 — Tax Rate jumped 256188 bps — and 2023, when it plunged 245778 bps.
• Hanover Insurance's Tax Rate stood at 8.16% in 2022, then surged by 450 bps to 28.56% in 2023, then rose by 4 bps to 29.69% in 2024, then dropped by 21 bps to 23.58% in 2025, then retreated by 10 bps to 21.21% in 2026.
• The last three Tax Rate figures came in at 21.21% (Q1 2026), 23.58% (Q4 2025), and 15.63% (Q3 2025), per Business Quant data.