The participation of men in the IGF, from its inception in 2006 to the last forum in 2012, significantly outnumbered women (number). But, as the IGF matures, a noticeable trend towards gender balance is coming to light. At each successive IGF more and more women are making substantial interventions. Diplo has published preliminary findings of an analysis on language and gender at the IGF from 2006 to 2012 that you can read here.
Gender and the IGF: participation and language used (2012)