Merck (MRK) Tax Rate (2009 - 2026)

Merck (MRK) has 18 years of Tax Rate data on file, last reported at 20.26% in Q1 2026.

• Tax Rate for Q1 2026 came in at 20.26%, down 3411.0% year-over-year; the trailing twelve-month figure through Mar 2026 was 23.11% (up 964.0% YoY), and the FY2025 annual result was 13.31%, down 75.0% from the prior year.
• Tax Rate retreated to 20.26% in Q1 2026 per MRK's latest filing, from 13.39% in the prior quarter.
• Over five years, Tax Rate peaked at 40.08% in Q4 2023 and troughed at 20.26% in Q1 2026.
• A 5-year average of 11.96% and a median of 13.39% in 2025 frame the typical range for Tax Rate.
• The sharpest annual moves came in 2023 and 2026: Tax Rate jumped 2599 bps in 2023, then plunged 3411 bps in 2026.
• A 5-year view of Tax Rate shows it stood at 14.09% in 2022, then surged by 184 bps to 40.08% in 2023, then plunged by 75 bps to 10.22% in 2024, then soared by 31 bps to 13.39% in 2025, then tumbled by 251 bps to 20.26% in 2026.
• Business Quant data shows MRK's Tax Rate at 20.26% in Q1 2026, 13.39% in Q4 2025, and 14.2% in Q3 2025.