You've probably heard some variation of this question time and time again over the past decade: "Why aren't young people buying houses anymore?" The answer, according to a recent survey, is simple: money.

Most members of the Gen Z and millennial generations – U.S. adults between the ages of 18-25 and 26-41, respectively – do want to own a home someday, or even right now. Their biggest roadblock is affordability, respondents said in a March Bankrate survey conducted by research firm YouGov.