This Visual Summary is part of a series of reports providing an in-depth update and analysis of progress towards the different SDG 6 targets and identifies priority areas for acceleration: Progress on household drinking water, sanitation and hygiene (SDG indicators 6.1.1, 6.2.1), Progress on wastewater treatment (6.3.1), Progress on ambient water quality (6.3.2), Progress on water use efficiency (6.4.1), Progress on level of water stress (6.4.2), Progress on integrated water resources management (6.5.1), Progress on transboundary water cooperation (6.5.2), Progress on water-related ecosystems (6.6.1) and Progress on international cooperation and local participation (6.a.1, 6.b.1).