United Microelectronics (UMC) Tax Rate (2011 - 2025)
United Microelectronics (UMC) recorded Tax Rate of -6.56% in the quarter ended Jun 30, 2026, up 6.31 percentage points from -12.86% a year earlier but down 5.63 percentage points from the prior quarter.
United Microelectronics (UMC) Tax Rate (2011 - 2025) Analysis & Trends
On a TTM basis, United Microelectronics' Tax Rate came in at -6.50% as of Jun 30, 2026, up 6.86 percentage points year-over-year; for the year ended Dec 31, 2025, it came in at -16.44%, down 1.76 percentage points from the prior year.
- Annual Tax Rate has a five-year change of -8.93 percentage points (years ended Dec 2020 to Dec 2025).
- Across earlier years, Tax Rate came in at -14.67% in the year ended Dec 31, 2024 (-2.53 pp), -12.14% in the year ended Dec 31, 2023 (+5.49 pp), -17.63% in the year ended Dec 31, 2022 (-4.09 pp) and -13.54% in the year ended Dec 31, 2021 (-6.03 pp).
- Quarterly Tax Rate has ranged from -37.98% in the quarter ended Dec 31, 2025 to 2.05% in the quarter ended Sep 30, 2025 over the past five years.
- On a year-over-year basis, Tax Rate rose in six of the last eight quarters, with an average year-over-year change of +0.94 percentage points.
- Peak year-over-year performance for Tax Rate in the last five years was a gain of 21.29 percentage points in the quarter ended Dec 31, 2023, against a drop of 26.42 percentage points in the quarter ended Dec 31, 2025 at the low end.
- Per Business Quant, the preceding three quarters came in at -0.93% (quarter ended Mar 31, 2026), -37.98% (quarter ended Dec 31, 2025) and 2.05% (quarter ended Sep 30, 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Tax Rate (Qtr) |
|---|---|---|---|---|---|
| 1 | Nvidia | 5,638.19 Bn | 5,412.36 Bn | 72.14 Bn | 16.53% |
| 2 | Taiwan Semiconductor Manufacturing | 2,452.80 Bn | 2,078.51 Bn | 27.22 Bn | 18.05% |
| 3 | Broadcom | 1,695.44 Bn | 1,621.48 Bn | 20.46 Bn | 14.32% |
| 4 | Micron Technology | 1,213.55 Bn | 1,152.31 Bn | 35.06 Bn | 14.99% |
| 5 | Advanced Micro Devices | 1,034.54 Bn | 991.29 Bn | 6.20 Bn | 9.88% |
| 6 | Asml Holding | 719.69 Bn | 675.53 Bn | 5.90 Bn | - |
| 7 | Intel | 601.78 Bn | 486.52 Bn | 6.51 Bn | - |
| 8 | Lam Research | 434.81 Bn | 411.60 Bn | 3.48 Bn | 10.87% |
| 9 | Applied Materials | 428.57 Bn | 394.02 Bn | 4.59 Bn | 12.69% |
| 10 | United Microelectronics | 66.14 Bn | 49.96 Bn | 706.26 Mn | - |
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2025 | 2.05% |
| Mar 31, 2020 | 49.69% |
| Jun 30, 2018 | 15.86% |
| Mar 31, 2018 | 63.18% |
| Mar 31, 2017 | 40.24% |
| Mar 31, 2016 | 163.15% |
| Dec 31, 2015 | 4.85% |
| Jun 30, 2013 | 2.36% |
| Sep 30, 2012 | 76.07% |
| Jun 30, 2012 | 17.16% |
| Mar 31, 2012 | 15.96% |
| Sep 30, 2011 | 123.68% |
United Microelectronics Tax Rate API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=tax-rate&ticker=UMC&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "ticker": "UMC", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=tax-rate&ticker=UMC&period=max&api_key=YOUR_API_KEY");
const data = await res.json();