What share of managers are women at Syneos Health in Japan?

30.3%, as reported to MHLW's women's-advancement database (as of December 2025).

What is the gender pay gap at Syneos Health in Japan?

Women's average pay as a percentage of men's: 93.1% across all employees, 85.7% among regular employees, 95.9% among non-regular employees. This compares average pay, not pay for the same job.

How long do employees stay at Syneos Health in Japan?

Average tenure is 6.4 years for men and 5.6 years for women.

← Foreign subsidiaries in Japan

United States-owned·Other services·Tokyo·1001–5000 employees

Syneos Health in Japan

Japan entity: サイネオス・ヘルス・ジャパン株式会社 · Parent: Syneos Health, Inc. · Corporate number 3010001185530 · 日本語

The Japan subsidiary of Syneos Health, Inc. (United States), registered as サイネオス・ヘルス・ジャパン株式会社, reports in the Ministry of Health, Labour and Welfare's women's-advancement database that 30.3% of its managers are women, women's average pay is 85.7% of men's among regular employees (as of December 2025).

Women's advancement and leave

Women in management

30.3%

Median, same industry and size: 11.4%

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

93.1%

Median, same industry and size: 73.2%

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

85.7%

Median, same industry and size: 78.9%

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

95.9%

Median, same industry and size: 79.1%

Men taking childcare leave

Not published

Median, same industry and size: 63.8%

The pay figures compare women's average pay with men's, not pay for the same job. Data as of December 2025.

Working hours and retention

Average monthly overtime

Not published

Median, same industry and size: 12.7 hrs

Paid leave taken

Not published

Median, same industry and size: 75.1%

Average tenure, men

6.4 yrs

Median, same industry and size: 11.0 yrs

Average tenure, women

5.6 yrs

Median, same industry and size: 9.2 yrs

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Questions this page answers

What share of managers are women at Syneos Health in Japan?: 30.3%, as reported to MHLW's women's-advancement database (as of December 2025).
What is the gender pay gap at Syneos Health in Japan?: Women's average pay as a percentage of men's: 93.1% across all employees, 85.7% among regular employees, 95.9% among non-regular employees. This compares average pay, not pay for the same job.
How long do employees stay at Syneos Health in Japan?: Average tenure is 6.4 years for men and 5.6 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.