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 piped water, the safest water facility type, access increased from 40·0% (95% uncertainty interval [UI] 39·4–40·7) to 50·3% (50·0–50·5), but was lowest in sub-Saharan Africa, where access to piped water was mostly concentrated in urban centres. …”