How many employees work at Charles River Labs /US?
Charles River Laboratories International, Inc. has 15,581 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is -5.3%.
Data source: Revelio Labs Coverage: Global workforce Latest update: December 2025
About Charles River Labs /US
At Charles River, we are passionate about our role in improving the quality of people’s lives. Our mission, our excellent science and our strong sense of purpose guides us in all that we do, and we approach each day with the knowledge that our work helps to improve the health and well-being of many across the globe. #DrugDiscovery #Biotech #Biotechnology #Pharmaceuticals #CRL
As of December 2025
Charles River Labs /US
workforce metrics
Headcount
15.6k
Avg. Salary
$77.8k
Tenure
5.0yr
Growth Rate
-5.3%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of Charles River Labs /US annual worldwide employee count from 2023 to 2025.
- Charles River Labs /US total number of employees in 2025 was 14,175, a 5.3% decline from 2024.
- Charles River Labs /US total number of employees in 2024 was 14,948, a 10.8% decline from 2023.
- Charles River Labs /US total number of employees in 2023 was 16,661, a 4.3% decline from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of Charles River Labs /US annual active job postings from 2023 to 2025.
- Charles River Labs /US active job postings in 2025 was 717, a 28.9% increase from 2024.
- Charles River Labs /US active job postings in 2024 was 536, a 10.8% decline from 2023.
- Charles River Labs /US active job postings in 2023 was 597, a 86.6% decline from 2022.
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Employee Sentiment
Sentiment Topics
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