Because definitions of what’s considered a disability vary, and not everyone who meets one of those definitions identifies as disabled, it can be hard to get a clear number of just how many people in the United States are disabled—except that it’s likely higher than you think. According to the Centers for Disease Control and Prevention, 27 percent of adults have a disability, while other sourcescome up with 10 to 15 percent of the entire population. However you measure, this means there are tens of millions of Americans (and more if you include their family members) whose living situations and housing searches are affected by disability.