How many employees work at Eisai, Inc.?
Eisai, Inc. has approximately 3,504 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Eisai, Inc.'s total headcount has declined 6.7% from 3,756 employees in 2023 to 3,504 in 2026.
Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published July 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 3,504 people worldwide as of March 2026. It is the 9th-largest by headcount among its peers. Founded in 1995, the company is headquartered in Woodcliff Lake, New Jersey.
Eisai, Inc.'s workforce has declined 6.7% from 2023 to 2026, down 4.3% year over year in 2026. It fell to a low of 3,504 in 2026 Q1 before recovering. Its workforce is concentrated most in the United States (66.9%), followed by China (8.2%) and Japan (5.7%), with China, its fastest-growing location.
Eisai, Inc.'s largest functional groups are Finance and Operations (41.2%), Engineering (29.4%), and Sales and Marketing (29.3%). Median employee tenure is 5.1 years. The average salary is $135,764, ranging from a median of $154,000 in Northern America to $11,000 in Southern Asia.
Eisai, Inc.'s active job postings rose 98.3% in 2026 to 223, with new postings per month cooling from 292 in 2023 to 59 in 2026. Overall employee sentiment is neutral and broadly stable.
Sourced from Revelio Labs workforce data.
As of March 2026
Eisai, Inc.
workforce metrics
Headcount
3.5k
4.3% YoY
Avg. Salary
$135.8k
0.9% YoY
Tenure
5.1yr
0.1yr YoY
Growth Rate
-4.3%
0.3pts YoY
Hiring Rate
Attrition Rate
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Eisai, Inc.. Compare to peers, export the dataset, and access the full quarterly history.
- Eisai, Inc. had 3,504 employees in 2026, a 4.3% decline (-154) from 2025.
- Eisai, Inc. had 3,516 employees in 2025, a 5.5% decline (-199) from 2024.
- Eisai, Inc. had 3,715 employees in 2024, a 2.8% decline (-107) from 2023.
- Eisai, Inc. had 3,822 employees in 2023, a 3.0% increase (+113) from 2022.
Eisai, Inc.'s total workforce has declined from 3,756 employees in 2023 to 3,504 in 2026.
Eisai, Inc. — quarterly employee count (2023–2026)
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 3,504 | -154 | -4.3% |
| 2025 | Q4 | 3,516 | -199 | -5.5% |
| 2025 | Q3 | 3,517 | -233 | -6.4% |
| 2025 | Q2 | 3,595 | -213 | -5.8% |
| 2025 | Q1 | 3,658 | -147 | -3.9% |
| 2024 | Q4 | 3,715 | -107 | -2.8% |
| 2024 | Q3 | 3,750 | -43 | -1.1% |
| 2024 | Q2 | 3,808 | +52 | +1.4% |
| 2024 | Q1 | 3,805 | +96 | +2.5% |
| 2023 | Q4 | 3,822 | +113 | +3.0% |
| 2023 | Q3 | 3,793 | +95 | +2.6% |
| 2023 | Q2 | 3,756 | +30 | +0.8% |
Want to see Eisai, Inc.'s complete headcount history back to 2008, including quarterly breakdowns?
The United States accounts for the largest share of Eisai, Inc.'s global workforce with approximately 67% of total employees, followed by China and Japan.
Eisai, Inc. employees by country — 2026
| Country | Employees | % of Total | YoY % |
|---|---|---|---|
| United States | 2,317 | 66.9% | -2.1% |
| China | 285 | 8.2% | +0.0% |
| Japan | 196 | 5.7% | -1.7% |
| India | 140 | 4.0% | -1.6% |
| United Kingdom | 126 | 3.6% | -1.4% |
| France | 43 | 1.2% | +0.0% |
| Thailand | 30 | 0.9% | -6.9% |
| Spain | 27 | 0.8% | -8.4% |
| Vietnam | 25 | 0.7% | +0.0% |
| Italy | 22 | 0.6% | -21.6% |
Drill into city-level data, hiring trends by region and historic geographic shifts
Eisai, Inc.'s largest employee groups are Finance and Operations (41.2%), Engineering (29.4%), and Sales and Marketing (29.3%).
Eisai, Inc. employees by department — 2026
| Department | Employees | % of Total | YoY % |
|---|---|---|---|
| Finance and Operations | 1,418 | 41.2% | -2.3% |
| Engineering | 1,011 | 29.4% | -1.2% |
| Sales and Marketing | 1,008 | 29.3% | -1.3% |
Compare Eisai, Inc.'s department mix to industry peers.
Eisai, Inc.'s average employee salary is $135,764 globally. Employees in Northern America receive the highest compensation. Pay is lowest in Southern Asia, at a median of $11,000.
Eisai, Inc. median employee salary by region — 2026 (USD)
| Region | Median Salary |
|---|---|
| Northern America | $154,000 |
| Western Europe | $106,000 |
| Pacific Islands | $106,000 |
| Northern Europe | $105,000 |
| Eastern Asia | $57,000 |
| Southern Europe | $53,000 |
| Eastern Europe | $47,000 |
| Arab States | $43,000 |
| Central America and the Caribbean | $27,000 |
| Southern America | $25,000 |
| South-Eastern Asia | $24,000 |
| Sub-Saharan Africa | $18,000 |
| Northern Africa | $15,000 |
| Southern Asia | $11,000 |
Unlock salary by role, level, and city — and compare to Eisai, Inc.'s industry peers.
- 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 23.2% decline from 2022.
- Hiring velocity in 2026: 59 new roles/month, down from 73 in 2025 and 117 in 2024. New metric
Eisai, Inc.'s active job postings rose 98.3% in 2026 to 223, with new postings per month cooling from 292 in 2023 to 59 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
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
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Similar Pharmaceuticals Companies by Employee Count
- How fast is Eisai, Inc. growing?
- In 2026, Eisai, Inc.'s headcount shrank 4.3% to 3,504 employees, down from 3,658 in 2025.
- Where are Eisai, Inc. employees located?
- Most Eisai, Inc. employees are based in the United States (66.9% of headcount), followed by China and Japan.
- What is the average salary at Eisai, Inc.?
- The average employee salary at Eisai, Inc. is approximately $135.8k per year.
- How many people does Eisai, Inc. hire per year?
- In 2026, Eisai, Inc. opened roughly 708 new roles — about 59 per month.
- 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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