From 2015 to 2020, the population practising open defecation decreased by a third, from 739 million people to 494 million.For at least 3 billion people, the quality of the water they rely upon is unknown owing to a lack of monitoring. Assessment of rivers, lakes and aquifers in 97 countries in 2020 shows that 60 per cent of water bodies have good water quality.Water use efficiency worldwide rose from $17.4 per cubic metre in 2015 to $19.4 per cubic metre in 2019, a 12 per cent efficiency increase.Eight out of 10 people who lack even basic drinking water service live in rural areas, and about half of them live in least developed countries (LDCs).At the current rates of progress, 1.6 billion people will lack safely managed drinking water, 2.8 billion people will lack safely managed sanitation, and 1.9 billion people will lack basic hand hygiene facilities in 2030.Rates of progress for these basic services would need to quadruple for universal coverage to be reached by 2030. Between 20, the population with safely managed sanitation increased from 47 per cent to 54 per cent and the population with access to handwashing facilities with soap and water in the home increased from 67 per cent to 71 per cent. Still, two billion people live without safely managed drinking water services, including 1.2 billion people lacking even a basic level of service, in 2020.
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