How many employees work at United Microelectronics?
United Microelectronics Corp. has 5,511 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 1.0%.
Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025
About United Microelectronics
UMC (NYSE: UMC, TWSE: 2303) is a leading global semiconductor foundry company. The company provides high quality IC fabrication services, focusing on logic and various specialty technologies to serve all major sectors of the electronics industry. UMC’s comprehensive IC processing technologies and manufacturing solutions include Logic/Mixed-Signal, embedded High-Voltage, embedded Non-Volatile-Memory, RFSOI and BCD etc. Most of UMC's 12-in & 8-in fabs with its core R&D are located in Taiwan, with additional ones throughout Asia. UMC has total 12 fabs in production with combined capacity over 800,000 wafers per month (8-in equivalent), and all of them are certified with IATF 16949 automotive quality standard. UMC is headquartered in Hsinchu, Taiwan, plus local offices in United States, Europe, China, Japan, Korea & Singapore, with worldwide total 20,000 employees. For more information, please visit: https://www.umc.com.
As of September 2025
United Microelectronics
workforce metrics
Headcount
5.5k
Avg. Salary
$52.3k
Tenure
6.2yr
Growth Rate
1.0%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of United Microelectronics annual worldwide employee count from 2023 to 2025.
- United Microelectronics total number of employees in 2025 was 5,520.952, a 1.0% increase from 2024.
- United Microelectronics total number of employees in 2024 was 5,462.05, a 0.7% decline from 2023.
- United Microelectronics total number of employees in 2023 was 5,505.55, a 1.7% increase from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of United Microelectronics annual active job postings from 2023 to 2025.
- United Microelectronics active job postings in 2025 was 351, a 31.7% increase from 2024.
- United Microelectronics active job postings in 2024 was 287, a 85.6% increase from 2023.
- United Microelectronics active job postings in 2023 was 115, a 40.8% increase from 2022.
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Employee Sentiment
Sentiment Topics
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