64.3 percent of Americans are homeowners. The median duration of homeownership is 13 years. So we can conclude that 5 percent of Americans might be effected b

64.3 percent of Americans are homeowners. The median duration of homeownership is 13 years. So we can conclude that 5 percent of Americans might be effected by house sale in a given year, and some might be downgrading a home or moving to a cheaper location.