Roughly 20 percent of Washington, DC, residents of Wards 7 and 8 worry they will have to move in the next three years because their homes will become unaffordable, finds a new survey from the Office of the Deputy Mayor for Planning and Economic Development. The report found also found that Wards 7 and 8 had the highest levels of residential instability, which the authors say is “associated with increased stress and health problems, poorer educational outcomes, decreased community efficacy, and other critical problems for households and communities alike.”