Eisai Co., Ltd.

Pharmaceutical ・ 4523

Figures below come from this company's annual securities report (有価証券報告書) filed with Japan's Financial Services Agency. Filing a false statement is a criminal offence, which is what makes them worth building on.

Average annual pay
¥11.2m
filing entity, incl. bonuses
vs peers
+¥5.64m
same industry & average age
Average age
44.5 yrs
Average tenure
18.5 yrs
Employees
10,543
consolidated
Market cap
¥1,326.1bn
J-Quants, ~12-week delay
Working here from 22 to 60est. ¥350m grossindustry norm ¥200m ・ ¥251m after tax and social insurance (72%)
What is left after tax and social insurance? →How much did the 2026 changes move it? →

Corporate Number 6010001000001 (National Tax Agency)

Workforce disclosure

Japan requires listed companies to disclose these three ratios. They are useful but easy to misread — the notes matter.

ItemValue What it does not tell you
Female managers14.3%definition of 'manager' varies by company
Male parental leave97.5%can exceed 100%; says nothing about duration
Gender pay gap (all workers)74.1%women's pay as % of men's; not equal-work comparison
Workplace score (beta)58.7deviation vs all listed, 50 = median
Investment score (beta)53.5deviation vs all listed, 50 = median

Pay history

From past annual securities reports. Reorganisations move this figure even when pay itself does not — the average covers the filing entity only.

Fiscal year endAverage annual pay
2024-03-31¥10.5m
2025-03-31¥10.6m
2026-03-31¥11.2m

Similar companies

Same sector, closest by average pay. A starting point for comparison — not a ranking. Pay differences here are driven as much by average age and by how much of the group sits inside the filing entity as by how well a company pays.

Company Average payAvg ageCode
DAIICHI SANKYO COMPANY, LIMITED¥11.0m45.04568
Chordia Therapeutics,Inc¥11.1m47.5190A
J-Pharma Co.,Ltd.¥11.2m52.5520A
Astellas Pharma Inc.¥11.3m42.54503
Takeda Pharmaceutical Company Limited¥11.4m44.04502
イノバセル株式会社¥12.5m48.0504A

Limitations

Source: annual securities report (EDINET, Financial Services Agency of Japan); market data from J-Quants (JPX Market Innovation & Research), ~12-week delay. Compiled independently by Corpus; not provided or endorsed by any government agency. Full detail in Japanese: エーザイ株式会社.