PARIS — Companies in the United States, Spain, Canada and Finland lead the world in employing the largest numbers of women from entry level to senior management, according to a report published Monday by the World Economic Forum. Yet the report also found that, despite increasing awareness of gender disparities in the workplace, women at many of the world’s top companies continued to lag behind their male peers in many areas, including pay and opportunities for professional advancement.

Moreover, many of these companies have yet to implement policies to address these gaps, despite pressure from many of their governments to do so.

The forum, based in Switzerland, surveyed 600 heads of human resources offices at the largest employers in 20 countries representing 16 different industries.

The poll assessed companies according to a range of criteria, including rates of female representation, whether the companies measured or set targets for gender balance in pay or promotion, and whether they offered benefits, like paid family leave, to promote work-life balance for their employees.