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World Health Organization
Uploaded on Tuesday 21 Feb 2012
Proportion of population with improved sanitation coverage in 2002
Philippe Rekacewicz, Emmanuelle Bournay, UNEP/GRID-Arendal
Access to improved sanitation is estimated by the percentage of the population using the following sanitation facilities: connection to a public sewer, connection to a septic system, pour-flush latrine, simple pit latrine (a portion of pit latrines are also considered unimproved sanitation), and ventilated improved pit latrine.