What share of managers are women at Diamond Inc.?

23.7%, as reported to MHLW's women's-advancement database (as of August 2024).

How many fathers take childcare leave at Diamond Inc.?

7.2% of eligible men took childcare leave.

How much overtime do employees at Diamond Inc. work, and how much paid leave do they take?

Average overtime is 8.3 hours a month (median for the same industry and size: 13.4 hours), as reported to MHLW's women's-advancement database.

How long do employees stay at Diamond Inc.?

Average tenure is 12.9 years for men and 12.7 years for women.

← News media in Tokyo

News media·Tokyo·101–300 employees

Diamond Inc.

Japanese name: 株式会社ダイヤモンド社 · English rendering · Corporate number 2011001032632 · 日本語

Diamond Inc. (株式会社ダイヤモンド社), a news media employer in Tokyo with 101–300 employees, reports in the Ministry of Health, Labour and Welfare's women's-advancement database that 23.7% of its managers are women, 7.2% of eligible fathers took childcare leave (as of August 2024).

Women's advancement and leave

Women in management

23.7%

Median, same industry and size: 14.9%

Women among officers

11.1%

Median, same industry and size: 14.3%

Women's pay as % of men's, all

Not published

Median, same industry and size: 78.5%

Women's pay as % of men's, regular

Not published

Median, same industry and size: 81.8%

Women's pay as % of men's, non-regular

Not published

Median, same industry and size: 78.3%

Men taking childcare leave

7.2%

Employment category not stated, so not comparable with other employers.

The pay figures compare women's average pay with men's, not pay for the same job. Data as of August 2024.

Working hours and retention

Average monthly overtime

8.3 hrs

Median, same industry and size: 13.4 hrs

Paid leave taken

Not published

Median, same industry and size: 68.7%

Average tenure, men

12.9 yrs

Employment category not stated, so not comparable with other employers.

Average tenure, women

12.7 yrs

Employment category not stated, so not comparable with other employers.

News media in Tokyo

Nippon Hoso KyokaiWomen managers 14.8%
Techvan Co., Ltd.Women managers 13.0%
General Incorporated Association Kyodo TsushinshaWomen managers 11.5%
Yomiuri Shimbun Tokyo Honsha Co., Ltd.Women managers 11.0%
Nikkei Inc.Women managers 13.9%
Mainichi Shimbunsha Co., Ltd.Women managers 18.5%
TBS Sparkle Co., Ltd.Women managers 18.0%
Sankei Shimbun Co., Ltd.Women managers 9.0%

Every news media employer in Tokyo →

Questions this page answers

What share of managers are women at Diamond Inc.?: 23.7%, as reported to MHLW's women's-advancement database (as of August 2024).
How many fathers take childcare leave at Diamond Inc.?: 7.2% of eligible men took childcare leave.
How much overtime do employees at Diamond Inc. work, and how much paid leave do they take?: Average overtime is 8.3 hours a month (median for the same industry and size: 13.4 hours), as reported to MHLW's women's-advancement database.
How long do employees stay at Diamond Inc.?: Average tenure is 12.9 years for men and 12.7 years for women.

Japan Human Capital Data 2026

Every figure for about 36,000 unlisted employers and 3,789 listed companies at once: percentile ranks within each industry and size band, women among supervisors, ten-year retention by gender, women's leave uptake, and every foreign-owned subsidiary flagged with its parent. In a members' dashboard and as Excel and CSV.

What Professional includes

Source: Ministry of Health, Labour and Welfare, women's-advancement database (open data), as of 2026-10-06; figures are self-reported by each employer and checked for plausibility by The Hardest Market. 女性の活躍推進企業データベースオープンデータ（2026年10月6日時点）を加工して作成.