Clean Water and SanitationHomeClean Water and Sanitationby Hannah Ritchie and Max RoserReuse our work freelyCite this researchClean Water and SanitationData explorerDrinking waterSanitationHandwashing Explore all the metrics – clean drinking water, sanitation and handwashing access – in one place. See how access to safe drinking water varies across the world. How does access to sanitation vary across the world? See global progress on sanitation. How many people lack access to basic handwashing facilities? Explore the global data on hygiene.