Water Sanitation and Health
Our vision and mission are the attainment by all peoples of the lowest possible burden of water and sanitation-related disease through primary prevention.
2018 Country files for SDG 6.3.1: "Proportion of wastewater safely treated"
Country files for each country for which preliminary estimates have been made can be downloaded below. Files show data sources, methods and assumptions applied to generate the estimates. Note that these files are no longer the most up to date and are made available simply for the historical record; for more recent information please see the 2025 country files.