Tokyo Stock Exchange: 4521

How many employees work at Kaken Pharmaceutical?

Kaken Pharmaceutical Co., Ltd. (4521) has approximately 382 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Kaken Pharmaceutical's total headcount has grown 10.3% from 347 employees in 2023 to 382 in 2026.

Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published July 2026

Kaken Pharmaceutical is hiring

Is Kaken Pharmaceutical hiring right now?

Yes, Kaken Pharmaceutical is actively hiring. Kaken Pharmaceutical had 21 active job postings in 2026, a 44.4% decline from 2025 see job openings & hiring trends.

About Kaken Pharmaceutical's Workforce

Kaken Pharmaceutical Co., Ltd. (4521) is a Pharmaceuticals company that employs 382 people worldwide as of March 2026. It is the 6th-largest by headcount among its peers. Founded in 1948, the company is headquartered in Tokyo, Japan and trades on the Tokyo Stock Exchange.

Kaken Pharmaceutical's workforce has grown 10.3% from 2023 to 2026, up 13.4% year over year in 2026. It fell to a low of 321 in 2025 Q2 before recovering. Its workforce is concentrated most in Japan (99.3%), followed by the United States (0.4%) and Hong Kong (0.4%), with Japan, its fastest-growing location, up 11.3%.

Kaken Pharmaceutical's largest functional groups are Finance and Operations (79.5%), Sales and Marketing (11.4%), and Engineering (9.0%), with Sales and Marketing growing fastest (up 42.9%). Median employee tenure is 4.1 years. The average salary is $55,174, highest in Eastern Asia at a median of $49,000.

Kaken Pharmaceutical's active job postings fell 44.4% in 2026 to 21, with new postings per month climbing from 2 in 2023 to 6 in 2026.

Sourced from Revelio Labs workforce data.

As of March 2026

Kaken Pharmaceutical
workforce metrics

Headcount

382

13.4% YoY

Avg. Salary

$55.2k

8.2% YoY

Tenure

4.1yr

0.8yr YoY

Growth Rate

13.4%

13.3pts YoY

Hiring Rate

Attrition Rate

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Interactive chart of Kaken Pharmaceutical annual worldwide employee count from 2023 to 2026.
  • Kaken Pharmaceutical had 382 employees in 2026, a 13.4% increase (+48) from 2025.
  • Kaken Pharmaceutical had 336 employees in 2025, a 0.9% decline (-3) from 2024.
  • Kaken Pharmaceutical had 339 employees in 2024, a 1.4% decline (-5) from 2023.
  • Kaken Pharmaceutical had 344 employees in 2023, a 2.9% decline (-10) from 2022.

Kaken Pharmaceutical's total workforce has grown from 347 employees in 2023 to 382 in 2026.

Kaken Pharmaceutical Co., Ltd. — quarterly employee count (20232026)

YearQtrEmployeesYoY ChangeYoY %
2026Q1382+48+13.4%
2025Q4336-3-0.9%
2025Q3342-1-0.5%
2025Q2321-20-5.9%
2025Q1334+0+0.1%
2024Q4339-5-1.4%
2024Q3343+0+0.1%
2024Q2341-6-1.7%
2024Q1334-25-7.3%
2023Q4344-10-2.9%
2023Q3343-34-9.5%
2023Q2347-27-7.6%

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Japan accounts for the largest share of Kaken Pharmaceutical's global workforce with approximately 99% of total employees, followed by the United States and Hong Kong. Kaken Pharmaceutical's headcount in Japan is growing fastest among its major locations, up 11.3% year over year in 2026.

Kaken Pharmaceutical employees by country — 2026

CountryEmployees% of TotalYoY %
Japan37999.3%+11.3%
United States10.4%+0.0%
Hong Kong10.4%+0.0%

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Kaken Pharmaceutical's largest employee groups are Finance and Operations (79.5%), Sales and Marketing (11.4%), and Engineering (9.0%).

Kaken Pharmaceutical employees by department — 2026

DepartmentEmployees% of TotalYoY %
Finance and Operations29979.5%+9.4%
Sales and Marketing4311.4%+42.9%
Engineering349.0%-4.2%

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Kaken Pharmaceutical's average employee salary is $55,174 globally. Employees in Eastern Asia receive the highest compensation.

Kaken Pharmaceutical median employee salary by region — 2026 (USD)

RegionMedian Salary
Eastern Asia$49,000

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Interactive chart of Kaken Pharmaceutical annual active job postings from 2023 to 2026.
  • Kaken Pharmaceutical had 21 active job postings in 2026, a 44.4% decline (-16) from 2025.
  • Kaken Pharmaceutical had 37 active job postings in 2025, a 10.3% decline (-4) from 2024.
  • Kaken Pharmaceutical had 41 active job postings in 2024, a 121.6% increase (+31) from 2023.
  • Kaken Pharmaceutical had 10 active job postings in 2023, a 200.0% increase from 2022.
  • Hiring velocity in 2026: 6 new roles/month, down from 8 in 2025 and 16 in 2024. New metric

Kaken Pharmaceutical's active job postings fell 44.4% in 2026 to 21, with new postings per month climbing from 2 in 2023 to 6 in 2026.

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How fast is Kaken Pharmaceutical growing?
In 2026, Kaken Pharmaceutical's headcount grew 13.4% to 382 employees, up from 334 in 2025.
Where are Kaken Pharmaceutical employees located?
Most Kaken Pharmaceutical employees are based in Japan (99.3% of headcount), followed by the United States and Hong Kong.
What is the average salary at Kaken Pharmaceutical?
The average employee salary at Kaken Pharmaceutical is approximately $55.2k per year.
How many people does Kaken Pharmaceutical hire per year?
In 2026, Kaken Pharmaceutical opened roughly 72 new roles — about 6 per month.
When was Kaken Pharmaceutical founded and where is it headquartered?
Kaken Pharmaceutical was founded in 1948 and is headquartered in Tokyo, Japan.

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