How many employees work at Eisai, Inc.?

Eisai, Inc. has approximately 3,355 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Eisai, Inc.’s total headcount has declined 6.2% from 3,578 employees in 2023 to 3,355 in 2026.

Data source: Revelio LabsCoverage: Global workforce, 20232026Published August 2026

Is Eisai, Inc. hiring right now?

Yes, Eisai, Inc. is actively hiring. Eisai, Inc. had 223 active job postings in 2026, a 98.3% increase from 2025 see job openings & hiring trends.

About Eisai, Inc.’s Workforce

Eisai, Inc. is a Pharmaceuticals company that employs 3,355 people worldwide as of March 2026. It is the 8th-largest by headcount among its peers. Founded in 1995, the company is headquartered in Woodcliff Lake, New Jersey.

Eisai, Inc.'s workforce has declined 6.2% from 2023 to 2026, down 1.8% year over year in 2026. It fell to a low of 3,355 in 2026 Q1 before recovering. Its workforce is concentrated most in North America (67.5%), followed by East Asia (13.9%) and South Asia (4.4%).

Eisai, Inc.'s functional groups are Finance and Operations (41.8%), Sales and Marketing (29.1%), and Engineering (29.1%). The average salary is $135,895, ranging from a median of $153,000 in North America to $11,000 in South Asia, down 1.0% year over year in 2026.

Eisai, Inc.'s active job postings rose 98.3% in 2026 to 223, with new postings per month cooling from 292 in 2023 to 60 in 2026. Overall employee sentiment is neutral and broadly stable.

Sourced from Revelio Labs workforce data.

Headquarters
Woodcliff Lake, New Jersey
Founded
1995
Industry
Pharmaceuticals
Employees
3,355
YoY
-1.8% (-131)

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Eisai, Inc. Annual Employee Count (2023-2026)

Interactive chart of Eisai, Inc. annual worldwide employee count from 2023 to 2026.
  • Eisai, Inc. had 3,355 employees in 2026, a 1.8% decline (-131) from 2025.
  • Eisai, Inc. had 3,370 employees in 2025, a 2.0% decline (-167) from 2024.
  • Eisai, Inc. had 3,537 employees in 2024, a 2.2% decline (-100) from 2023.
  • Eisai, Inc. had 3,637 employees in 2023, a 0.6% increase (+111) from 2022.

Eisai, Inc.'s total workforce has declined from 3,578 employees in 2023 to 3,355 in 2026.

Eisai, Inc. quarterly employee count

YearQtrEmployeesYoY ChangeYoY %
2026Q13,355-131-1.8%
2025Q43,370-167-2.0%
2025Q33,376-195-2.2%
2025Q23,428-193-3.0%
2025Q13,486-135-2.5%
2024Q43,537-100-2.2%
2024Q33,571-38-1.2%
2024Q23,621+43-0.2%
2024Q13,621+90+0.4%
2023Q43,637+111+0.6%
2023Q33,609+92+0.2%
2023Q23,578+29-0.3%

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Eisai, Inc. Employee Count by Region (2026)

North America accounts for the largest share of Eisai, Inc.'s global workforce with approximately 68% of total employees, followed by East Asia and South Asia.

Eisai, Inc. employees by region

RegionEmployees% of Total
North America2,23067.5%
East Asia46013.9%
South Asia1444.4%
Northern Europe1334.0%
Southeast Asia1073.2%
Western Europe772.3%
Southern Europe581.8%
Arab States210.6%
Eastern Europe200.6%
North Africa190.6%

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Eisai, Inc. Employee Count by Department (2026)

Eisai, Inc.'s employee groups are Finance and Operations (41.8%), Sales and Marketing (29.1%), and Engineering (29.1%).

Eisai, Inc. employees by department

DepartmentEmployees% of Total
Finance and Operations1,37241.8%
Sales and Marketing95429.1%
Engineering95329.1%

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Eisai, Inc. Employee Salary by Region (2026)

Eisai, Inc.'s average employee salary is $135,895 globally. Employees in North America receive the highest compensation. Pay is lowest in South Asia, at a median of $11,000.

Eisai, Inc. median employee salary by region (USD)

RegionMedian Salary
North America$153,000
Western Europe$109,000
Pacific Islands$106,000
Northern Europe$105,000
East Asia$57,000
Southern Europe$56,000
Eastern Europe$47,000
Arab States$43,000
Central America and the Caribbean$33,000
South America$25,000
Southeast Asia$24,000
Sub-Saharan Africa$18,000
North Africa$15,000
South Asia$11,000

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Eisai, Inc. Job Openings and Hiring Trends (2023-2026)

Interactive chart of Eisai, Inc. annual active job postings from 2023 to 2026.
  • Eisai, Inc. had 223 active job postings in 2026, a 98.3% increase (+52) from 2025.
  • Eisai, Inc. had 171 active job postings in 2025, a 53.3% increase (+72) from 2024.
  • Eisai, Inc. had 99 active job postings in 2024, a 57.6% decline (-80) from 2023.
  • Eisai, Inc. had 179 active job postings in 2023, a 23.6% decline from 2022.
  • Hiring velocity in 2026: 60 new roles/month, down from 73 in 2025 and 117 in 2024.

Eisai, Inc.'s active job postings rose 98.3% in 2026 to 223, with new postings per month cooling from 292 in 2023 to 60 in 2026.

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Eisai, Inc. Employee Sentiment (2026)

Revelio Labs tracks employee sentiment across Eisai, Inc.'s workforce based on public professional data. Overall sentiment is neutral and has held steady year over year in 2026.

Overall

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Frequently Asked Questions About Eisai, Inc.

How fast is Eisai, Inc. growing?
In 2026, Eisai, Inc.'s headcount shrank 1.8% to 3,355 employees, down from 3,486 in 2025.
See the full headcount history
Where are Eisai, Inc. employees located?
Most Eisai, Inc. employees are based in North America (67.5% of headcount), followed by East Asia and South Asia.
Explore where the workforce is based
What is the average salary at Eisai, Inc.?
The average employee salary at Eisai, Inc. is approximately $135.9k per year.
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How many new job postings does Eisai, Inc. open per year?
In Q1 2026, Eisai, Inc. opened 179 new job postings. In 2025, Eisai, Inc. opened 877 new job postings — about 73 per month.
Track hiring trends by role
When was Eisai, Inc. founded and where is it headquartered?
Eisai, Inc. was founded in 1995 and is headquartered in Woodcliff Lake, New Jersey.
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