Yesterday, the Pew Hispanic Center released updated numbers of unauthorized immigrants living in America. Wondering how these numbers are calculated, given that it is a more difficult population to assess?
ABC Univision has a plain-English explanation of our methodology, with help from Jeff Passel, senior demographer at the Pew Hispanic Center. "Back around 1980 or so the conventional wisdom of the time was there were 6 to 12 million unauthorized immigrants living in the country," Passel tells ABC. "That was both very wide and very wrong."