Gender gap in hourly wages vs. ratio of female-to-male labor force participation

The vertical axis shows the unadjusted gender wage gap calculated as the difference between average hourly earnings of men and average hourly earnings of womenexpressed as a percentage of average hourly earnings of men. The horizontal axis shows the ratio of female to male labor force participation rates (participation ratescorrespond to the proportion of the population ages 15 and older that is economically active).