Population living in slums is the proportion of the urban population living in slum households. A slum household is defined as a group of individuals living under the same roof lacking one or more of the following conditions: access to improved water, access to improved sanitation, sufficient living area, and durability of housing.
Source: UN HABITAT, retrieved from the United Nation's Millennium Development Goals database.
Data are available at mdgs.un.org or at http://data.worldbank.org/indicator/EN.POP.SLUM.UR.ZS
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