Employers with 1,000+ staff where women stay longest
Employers with 1,000+ staff, listed and unlisted, that report tenure for their whole workforce or all regular staff. Employers report it for an employment category they choose; narrower categories (career-track staff, one job type) are left out because they do not compare.
1,137 employers qualify, with a median of 11.8 yrs. Keihan Electric Railway Co., Ltd. leads at 28.7 yrs; the top 50 run to 20.2 yrs. 11 of the top 50 are in Electronics & electrical equipment and 14 are listed companies.
| # | Employer | Longest tenure for women |
|---|---|---|
| 1 | Keihan Electric Railway Co., Ltd.Transport & postal · 1001–5000 employees | 28.7 yrs |
| 2 | Aeon Big Co., Ltd.Wholesale & retail · 1001–5000 employees | 28.6 yrs |
| 3 | RM Tohcello Co., Ltd.Chemicals · 1001–5000 employees | 28.3 yrs |
| 4 | Ichifuji Food Service Co., Ltd.Accommodation & food service · 5001+ employees | 28.0 yrs |
| 5 | Takashimaya Company, LimitedRetail trade · 3,463 employees · Listed | 26.7 yrs |
| 6 | Canon Finetech Nisca Co., Ltd.Electronics & electrical equipment · 1001–5000 employees | 25.3 yrs |
| 7 | Keihin Co., Ltd.Transport equipment · 1001–5000 employees | 24.6 yrs |
| 8 | Kyoei Co., Ltd.Wholesale & retail · 1001–5000 employees | 24.0 yrs |
| 9 | Canon Kasei Co., Ltd.Electronics & electrical equipment · 1001–5000 employees | 23.8 yrs |
| 10 | UT Toshiba Co., Ltd.Other services · 1001–5000 employees | 23.7 yrs |
| 11 | Nagahama Canon Co., Ltd.Other manufacturing · 1001–5000 employees | 23.7 yrs |
| 12 | Tokyu Department Store Co., Ltd.Wholesale & retail · 1001–5000 employees | 23.6 yrs |
| 13 | Coca-Cola Bottlers Japan Business Service Co., Ltd.Other services · 1001–5000 employees | 23.4 yrs |
| 14 | IFSCO Healthcare Co., Ltd.Other services · 1001–5000 employees | 23.4 yrs |
| 15 | Seiren Co., Ltd.Textiles & apparel · 1,320 employees · Listed | 23.3 yrs |
| 16 | Canon Precision Co., Ltd.Electronics & electrical equipment · 1001–5000 employees | 23.2 yrs |
| 17 | Sony Global Manufacturing & Operations Co., Ltd.Electronics & electrical equipment · 1001–5000 employees | 23.0 yrs |
| 18 | Ushio Inc.Electric appliances · 1,475 employees · Listed | 23.0 yrs |
| 19 | Tohoku Epson Co., Ltd.Electronics & electrical equipment · 1001–5000 employees | 22.6 yrs |
| 20 | Mitsukoshi Isetan Co., Ltd.Wholesale & retail · 5001+ employees | 22.5 yrs |
| 21 | Daihen CorporationElectric appliances · 1,203 employees · Listed | 22.2 yrs |
| 22 | DNP Marcom Products Co., Ltd.Paper & printing · 1001–5000 employees | 22.1 yrs |
| 23 | Shakai Hoken Shinryo Hoshu Shiharai KikinOther services · 1001–5000 employees | 22.0 yrs |
| 24 | Nok CorporationTransportation equipment · 3,153 employees · Listed | 22.0 yrs |
| 25 | Toshiba Digital Solutions Co., Ltd.Information & communications · 1001–5000 employees | 21.9 yrs |
| 26 | Panasonic AP Kucho Reisetsu Kiki Co., Ltd.Electronics & electrical equipment · 1001–5000 employees | 21.8 yrs |
| 27 | Toshiba Unified Technologies Co., Ltd.Other services · 1001–5000 employees | 21.8 yrs |
| 28 | MX Mobiling Co., Ltd.Information & communications · 1001–5000 employees | 21.6 yrs |
| 29 | Yokogawa Manufacturing Co., Ltd.Electronics & electrical equipment · 1001–5000 employees | 21.4 yrs |
| 30 | Hitachi Power Solutions Co., Ltd.Other services · 1001–5000 employees | 21.3 yrs |
| 31 | Toenec CorporationConstruction · 5,029 employees · Listed | 21.1 yrs |
| 32 | Koito Manufacturing Co., Ltd.Electric appliances · 4,247 employees · Listed | 21.1 yrs |
| 33 | Social Medical Corporation Chiba-ken Kinrosha Iryo KyokaiHealthcare & welfare · 1001–5000 employees | 21.1 yrs |
| 34 | Chiyoda Co., Ltd.Retail trade · 1,102 employees · Listed | 21.1 yrs |
| 35 | Azbil CorporationElectric appliances · 5,143 employees · Listed | 21.0 yrs |
| 36 | Sony Semiconductor Manufacturing Co., Ltd.Electronics & electrical equipment · 5001+ employees | 21.0 yrs |
| 37 | NEC Platforms Co., Ltd.Electronics & electrical equipment · 5001+ employees | 21.0 yrs |
| 38 | Toyota Smile Life Co., Ltd.Unclassified · 1001–5000 employees | 21.0 yrs |
| 39 | Incorporated Administrative Agency Kokuritsu InsatsukyokuPaper & printing · 1001–5000 employees | 21.0 yrs |
| 40 | Tohoku Murata Seisakusho Co., Ltd.Electronics & electrical equipment · 1001–5000 employees | 20.9 yrs |
| 41 | Shinko Electric Industries Co., Ltd.Electronics & electrical equipment · 1001–5000 employees | 20.9 yrs |
| 42 | Hitachi Systems Field Service Co., Ltd.Information & communications · 1001–5000 employees | 20.9 yrs |
| 43 | The Okinawa Electric Power Company, IncorporatedElectric power & gas · 1,511 employees · Listed | 20.9 yrs |
| 44 | Achilles CorporationChemicals · 1,175 employees · Listed | 20.9 yrs |
| 45 | Yamagataya Store Co., Ltd.Wholesale & retail · 1001–5000 employees | 20.8 yrs |
| 46 | Chudenko CorporationConstruction · 3,465 employees · Listed | 20.8 yrs |
| 47 | OSG CorporationMachinery · 1,854 employees · Listed | 20.5 yrs |
| 48 | F.C.C.Co., Ltd.Transportation equipment · 1,017 employees · Listed | 20.4 yrs |
| 49 | Sony Marketing Co., Ltd.Wholesale & retail · 1001–5000 employees | 20.3 yrs |
| 50 | C-Tech Co., Ltd.Construction · 1001–5000 employees | 20.2 yrs |
Source: MHLW's women's-advancement database (listed companies that report there, and unlisted employers), as each employer reports it, checked and edited by The Hardest Market. Definitions and what we leave out: methodology.
Every employer, ranked
These pages show the top 50. The full ranked tables, with percentiles within each industry and size band, are in the dataset, in the members' dashboard and as Excel and CSV.
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