When it comes to estimating the size of demographic groups, Americans rarely get it right. In two recent YouGov polls, we asked respondents to guess the percentage (ranging from 0% to 100%) of American adults who are members of 43 different groups,[…] When people’s average perceptions of group sizes are compared to actual population estimates, Read more about Small subgroups of the population seem much larger to many Americans and they think Large groups are smaller than they really are[…]