Simon Rogers makes the gender gap in salaries look like a million in this viz. His use of a gantt bar to represent the difference in salary is pure genius.
Use the filter towards the top left to switch the sorting between the difference and the median salary.
What each job gets paid: find yours and see how it compares
Statistic charts on the web should really be interactive. Until Tableau Public, that had never been easy. But now, I have a tool with which I can explain large and complex datasets in a clear, simple and engaging way.