How many employees work at Merck?
Merck & Co., Inc. has 77,446 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 3.2%.
Data source: Revelio Labs Coverage: Global workforce Latest update: December 2025
About Merck
At Merck, known as MSD outside of the United States and Canada, we are unified around our purpose: We use the power of leading-edge science to save and improve lives around the world. For more than 130 years, we have brought hope to humanity through the development of important medicines and vaccines. We aspire to be the premier research-intensive biopharmaceutical company in the world – and today, we are at the forefront of research to deliver innovative health solutions that advance the prevention and treatment of diseases in people and animals. We foster a diverse and inclusive global workforce and operate responsibly every day to enable a safe, sustainable and healthy future for all people and communities. For more information, visit www.merck.com. This site is intended for residents of the United States and Canada and their territories only.
As of December 2025
Merck
workforce metrics
Headcount
77.4k
Avg. Salary
$101.7k
Tenure
5.7yr
Growth Rate
3.2%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of Merck annual worldwide employee count from 2023 to 2025.
- Merck total number of employees in 2025 was 77,443, a 3.2% increase from 2024.
- Merck total number of employees in 2024 was 74,989, a 2.5% increase from 2023.
- Merck total number of employees in 2023 was 73,164, a 2.1% increase from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of Merck annual active job postings from 2023 to 2025.
- Merck active job postings in 2025 was 2,876, a 1.9% decline from 2024.
- Merck active job postings in 2024 was 2,932, a 15.2% decline from 2023.
- Merck active job postings in 2023 was 3,416, a 9.3% decline from 2022.
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Employee Sentiment
Sentiment Topics
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