Significados de improved drinking water en inglés

However, 663 million are still without improved drinking water.

An estimated 1 billion persons in low-income countries do not have access to improved drinking water.

More than 20 million people, mainly in rural areas, still lack access to improved drinking water, noted the report.

But while 2.6 billion people gained access to better water sources between 1990 and 2015, 663 million are still without improved drinking water.