Mapping geographical inequalities in access to drinking water and sanitation facilities in low-income and middle-income countries, 2000–17 by Aniruddha Deshpande (4377094)

“…For sewer or septic sanitation, access was 46·3% (95% UI 46·1–46·5) in 2017, compared with 28·7% (28·5–29·0) in 2000. Although some units improved access to the safest drinking water or sanitation facilities since 2000, a large absolute number of people continued to not have access in several units with high access to such facilities (>80%) in 2017. …”