KPIs & Operating Metrics(New)
Growth Metrics

Mplx (MPLX) Tax Rate (2016 - 2025)

Mplx (MPLX) has disclosed Tax Rate for 14 consecutive years, with 0.19% as the latest value for Q3 2025.

  • Quarterly Tax Rate changed 0.0% to 0.19% in Q3 2025 from the year-ago period, while the trailing twelve-month figure was 0.21% through Sep 2025, down 11.0% year-over-year, with the annual reading at 0.23% for FY2024, 5.0% down from the prior year.
  • Tax Rate for Q3 2025 was 0.19% at Mplx, up from 0.09% in the prior quarter.
  • The five-year high for Tax Rate was 0.78% in Q4 2023, with the low at 0.07% in Q3 2022.
  • Average Tax Rate over 5 years is 0.24%, with a median of 0.15% recorded in 2021.
  • Peak annual rise in Tax Rate hit 54bps in 2023, while the deepest fall reached -49bps in 2023.
  • Over 5 years, Tax Rate stood at 0.13% in 2021, then skyrocketed by 81bps to 0.24% in 2022, then skyrocketed by 222bps to 0.78% in 2023, then plummeted by -42bps to 0.45% in 2024, then plummeted by -57bps to 0.19% in 2025.
  • According to Business Quant data, Tax Rate over the past three periods came in at 0.19%, 0.09%, and 0.09% for Q3 2025, Q2 2025, and Q1 2025 respectively.