As recently as 2000, only half of the population of Sub-Saharan Africa had access to an improved water source (e.g., piped, well, rain, spring, or bottled water). By 2020, nearly 80% of sub-Saharan Africa had access, along with 94% of people worldwide. https://www.humanprogress.org/dataset/share-of-population-with-access-to-improved-drinking-water-sources/?regions=517|491|492|510&view=selected