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United Microelectronics (UMC) Tax Rate (2017 - 2020)

Historic Tax Rate for United Microelectronics (UMC) over the last 17 years, with Q3 2025 value amounting to 2.05%.

  • United Microelectronics' Tax Rate rose 148600.0% to 2.05% in Q3 2025 from the same period last year, while for Sep 2025 it was 27.28%, marking a year-over-year increase of 111000.0%. This contributed to the annual value of 14.67% for FY2024, which is 25300.0% up from last year.
  • As of Q3 2025, United Microelectronics' Tax Rate stood at 2.05%, which was up 148600.0% from 12.86% recorded in Q2 2025.
  • In the past 5 years, United Microelectronics' Tax Rate registered a high of 136.07% during Q4 2024, and its lowest value of 18.01% during Q1 2024.
  • Its 5-year average for Tax Rate is 9.34%, with a median of 12.86% in 2025.
  • Per our database at Business Quant, United Microelectronics' Tax Rate crashed by -596600bps in 2021 and then surged by 1256400bps in 2022.
  • Over the past 5 years, United Microelectronics' Tax Rate (Quarter) stood at 11.58% in 2021, then surged by 1085bps to 114.06% in 2022, then grew by 17bps to 133.96% in 2023, then grew by 2bps to 136.07% in 2024, then tumbled by -98bps to 2.05% in 2025.
  • Its Tax Rate was 2.05% in Q3 2025, compared to 12.86% in Q2 2025 and 17.15% in Q1 2025.