This study assesses the global costs of meeting the water, sanitation, and hygiene (WASH)-related targets of SDG 6. It is intended to serve as a vital input to determining the financing needs to achieve them. Two targets are assessed: (1) achieving universal and equitable access to safe and affordable drinking water for all (target 6.1); and (2) achieving access to adequate and equitable sanitation and hygiene for all and ending open defecation (target 6.2). Thus this study presents only a partial analysis of the clean water and sanitation goal, but it can serve as a basis for cost studies of other targets.

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