Tomorrow is Equal Pay Day across the country, and the Women & Girls Foundation is holding rallies locally to illustrate the gap between men’s and women’s wages.

In Pittsburgh, a rally will be held from noon to 1 p.m., Tue., April 9, at Market Square, Downtown.

In an email blast today, the Women & Girls Foundation sent out this infographic by Ultra Violet, to show what's behind the rally and movement toward equal pay: