It was International Women's Day yesterday but figures just released show the number of women in senior leadership roles in New Zealand has dropped significantly.

The annual women in the business survey found management positions held by females has fallen to just 18%.

That's down from 31% when the report was launched in 2004.

New Zealand was previously among the top ten countries surveyed but has now slipped to 33 out of 35 in the rankings.

Minister for Women, Julie Ann Genter says we're at an important watershed moment as more women are taking action sexual harassment and violence.