How many employees work at Mercer LLC?
Mercer LLC has 27,238 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is -1.5%.
Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025
About Mercer LLC
At Mercer, we believe in building brighter futures. Together, our 25,000 employees in over 130 counties are helping redefine the future of work, reshape retirement and investment outcomes, and unlock real health and well-being. For over 75 years, we’ve provided trusted advice and solutions to build healthier and more sustainable futures for our clients, colleagues and communities. Balancing economics and empathy in our approach, we work side by side with you to find solutions to benefit your people and your business. By turning ideas into actions that spark positive change, we help you enrich employees’ lives and careers and drive innovation, progress and performance. Mercer is a business of Marsh McLennan. Get to know us better: Click the “learn more” button at the top of the page to discover everything we do to help you meet the needs of today and tomorrow. Follow us on Twitter at @Mercer.
As of September 2025
Mercer LLC
workforce metrics
Headcount
27.2k
Avg. Salary
$84.1k
Tenure
6.1yr
Growth Rate
-1.5%
Hiring Rate
Attrition Rate
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Employee Headcount
Interactive chart of Mercer LLC annual worldwide employee count from 2023 to 2025.
- Mercer LLC total number of employees in 2025 was 27,142.962, a 1.5% decline from 2024.
- Mercer LLC total number of employees in 2024 was 26,842.215, a 4.1% decline from 2023.
- Mercer LLC total number of employees in 2023 was 27,624.861, a 0.5% decline from 2022.
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Employee Geographic Breakdown
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Active Job Postings
Interactive chart of Mercer LLC annual active job postings from 2023 to 2025.
- Mercer LLC active job postings in 2025 was 2,675, a 16.6% decline from 2024.
- Mercer LLC active job postings in 2024 was 2,386, a 7.7% decline from 2023.
- Mercer LLC active job postings in 2023 was 2,577, a 29.5% increase from 2022.
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Employee Sentiment
Sentiment Topics
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