Gender parity is one of the most egregious of the disparities–we [in the USA] should have 127 more female reps in Congress than we currently do (that’s a two fold increase from current numbers).And she shows this chart:
We fail pretty big on race as well, where 72 of the current 457 seats occupied by white representatives should go to communities of color based on population numbers.
In terms of religion, Mormons are overrepresented in Congress as well as Protestants, Catholics and Jews. Underrepresented are Hindus and those who are unaffiliated.
Go here to see a larger version. Miriam gets the larger image from "Cord Jefferson at GOOD Magazine [who] posted this impressive infographic." Read all about it from Miriam here.