INPEX CORPORATION

Mining ・ 1605

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
¥13.2m
filing entity, incl. bonuses
vs peers
+¥6.83m
same industry & average age
Average age
39.2 yrs
Average tenure
11.4 yrs
Employees
3,720
consolidated
Market cap
¥4,509.6bn
J-Quants, ~12-week delay
Working here from 22 to 60est. ¥445m grossindustry norm ¥239m ・ ¥309m after tax and social insurance (69%)
What is left after tax and social insurance? →How much did the 2026 changes move it? →

Corporate Number 7010401078520 (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 managers5.6%definition of 'manager' varies by company
Male parental leave78.1%can exceed 100%; says nothing about duration
Gender pay gap (all workers)66.0%women's pay as % of men's; not equal-work comparison
Workplace score (beta)61.3deviation vs all listed, 50 = median
Investment score (beta)57.3deviation 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
2023-12-31¥11.2m
2024-12-31¥11.7m
2025-12-31¥13.2m

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
Sumiseki Holdings, Inc.¥6.1m48.11514
K&O Energy Group Inc.¥7.5m42.61663
Nittetsu Mining CO.,Ltd.¥8.1m42.71515
Japan Petroleum Exploration Co., Ltd.¥10.6m39.81662

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: 株式会社INPEX.