60% of Working Women Had No Pay Raise in the Past Year. The Most Common Reason for Not Negotiating Salary is 'Don't Think Salary Will Increase' / 'Woman's Job Change type' Survey of Working Women [Vol. 126]
A survey by 'Woman's Job Change type' revealed that 60% of working women did not receive a pay raise in the last year. The primary reason for not negotiating salary was a belief that it wouldn't lead to an increase. While about 20% have negotiated, nearly 70% of those saw a pay increase, suggesting negotiation can be effective despite widespread reluctance.
Source: prtimes.jp