T-Mobile US (TMUSI) Tax Rate (2009 - 2026)

T-Mobile US has disclosed Tax Rate across 18 years of filings, most recently posting 24.9% for Q1 2026.

• Tax Rate for Q1 2026 came in at 24.9%, up 184.0% year-over-year; the trailing twelve-month figure through Mar 2026 was 23.47% (up 80.0% YoY), and the FY2025 annual result was 23.03%, up 10.0% from the prior year.
• Tax Rate came in at 24.9% for Q1 2026 at T-Mobile US, up from 20.19% in the prior quarter.
• In the past five years, Tax Rate ranged from a high of 33.74% in Q2 2022 to a low of 12.64% in Q3 2022.
• The 5-year median for Tax Rate is 23.42% (2022), against an average of 21.96%.
• Peak annual rise in Tax Rate reached 10763 bps in 2022, while the deepest fall reached 1220 bps in 2022.
• T-Mobile US's Tax Rate stood at 23.35% in 2022, then increased by 2 bps to 23.8% in 2023, then dropped by 6 bps to 22.35% in 2024, then slipped by 10 bps to 20.19% in 2025, then climbed by 23 bps to 24.9% in 2026.
• The last three Tax Rate figures came in at 24.9% (Q1 2026), 20.19% (Q4 2025), and 23.07% (Q3 2025), per Business Quant data.