USA: Percent urban population with access to drinking water: For that indicator, WHO/UNICEF provides data for the USA from 1990 to 2015. The average value for the USA during that period was 99.6 percent with a minumum of 99.4 percent in 2010 and a maximum of 99.8 percent in 1990. See the global rankings for that indicator or use the country comparator to compare trends over time.
Definition: Access to an improved water source, urban, refers to the percentage of the urban population using an improved drinking water source. The improved drinking water source includes piped water on premises (piped household water connection located inside the user’s dwelling, plot or yard), and other improved drinking water sources (public taps or standpipes, tube wells or boreholes, protected dug wells, protected springs, and rainwater collection).