Urban Population Living in Slums

Proportion of the urban population living in slum households

  • Source: UN-Habitat/World Bank Group

Population Living in Slums, created by the World Bank Group and the UN Human Settlements Programme (UN-Habitat), 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. This was a metric to measure target 7.D of the Millennium Development Goals. The actual proportion of people living in slums is measured by a proxy, represented by the urban population living in households with at least 1 of the 4 characteristics: (a) lack of access to improved water supply; (b) lack of access to improved sanitation; (c) overcrowding (3 or more persons per room); and (d) dwellings made of nondurable material. Data are collected globally from 1990, 2000, 2005, 2007, 2009, and 2014. Resource Watch shows only a subset of the data set. For access to the full data set and additional information, see the Learn More link.

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Formal name

Population living in slums (% of urban population)


The indicator does not cover the spatial dimension of slums. As the indicator cannot take into account how many and to which extent the 5 conditions of deprived housing are fulfilled, it cannot provide information on the severity of slum conditions.

Suggested citation

World Bank Group. 2014. "Population Living in Slums (% of Urban Population)." http://data.worldbank.org/indicator/EN.POP.SLUM.UR.ZS. Accessed through Resource Watch, (date). www.resourcewatch.org.


United Nations Human Settlements Programme (UN-Habitat)
World Bank Group

Geographic coverage


Spatial resolution


Date of content

1990, 2000, 2005, 2007, 2009, 2014

Frequency of updates


Published language



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