How many employees work at Eisai?

Eisai Co., Ltd. has 8,405 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is -4.1%.

Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025

About Eisai

Eisai’s Corporate Concept is “to give first thought to patients and people in the daily living domain, and to increase the benefits that health care provides.” Under this Concept (also known as human health care (hhc) Concept), we aim to effectively achieve social good in the form of relieving anxiety over health and reducing health disparities. With a global network of R&D facilities, manufacturing sites and marketing subsidiaries, we strive to create and deliver innovative products to target diseases with high unmet medical needs, with a particular focus in our strategic areas of Neurology and Oncology. In addition, we demonstrate our commitment to the elimination of neglected tropical diseases (NTDs), which is a target (3.3) of the United Nations Sustainable Development Goals (SDGs), with working on various activities together with global partners.

As of September 2025

Eisai
workforce metrics

Headcount

8.4k

Avg. Salary

$94.2k

Tenure

5.3yr

Growth Rate

-4.1%

Hiring Rate

Attrition Rate

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Employee Headcount

Interactive chart of Eisai annual worldwide employee count from 2023 to 2025.

  • Eisai total number of employees in 2025 was 8,518.82, a 4.1% decline from 2024.
  • Eisai total number of employees in 2024 was 8,755.294, a 1.2% decline from 2023.
  • Eisai total number of employees in 2023 was 8,872.001, a 2.0% increase from 2022.

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Employee Geographic Breakdown

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Employee Role Breakdown

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Employee Compensation

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Active Job Postings

Interactive chart of Eisai annual active job postings from 2023 to 2025.

  • Eisai active job postings in 2025 was 543, a 58.8% decline from 2024.
  • Eisai active job postings in 2024 was 640, a 40.9% decline from 2023.
  • Eisai active job postings in 2023 was 969, a 10.5% increase from 2022.

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Employee Sentiment

Sentiment Topics

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