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

“…Geographical disparities in access to improved water across units decreased in 76·1% (95% UI 71·6–80·7) of countries from 2000 to 2017, and in 53·9% (50·6–59·6) of countries for access to improved sanitation, but remained evident subnationally in most countries in 2017. …”