The rental vacancy rate is the proportion of the rental inventory that is vacant for rent.
Source: US. Bureau of the Census
Release: Housing Vacancies and Homeownership
US. Bureau of the Census, Rental Vacancy Rate for the United States [RRVRUSQ156N], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/RRVRUSQ156N/, July 7, 2015.
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