- In 2015, 91% of the world’s population had access to an improved drinking-water source, compared with 76% in 1990.
- 2.6 billion people have gained access to an improved drinking-water source since 1990.
- 4.2 billion people now get water through a piped connection; 2.4 billion access water through other improved sources including public taps, protected wells and boreholes.
- 663 million people rely on unimproved sources, including 159 million dependent on surface water.
- Globally, at least 1.8 billion people use a drinking-water source contaminated with faeces.
- Contaminated water can transmit diseases such diarrhoea, cholera, dysentery, typhoid and polio. Contaminated drinking-water is estimated to cause 502 000 diarrhoeal deaths each year.
- By 2025, half of the world’s population will be living in water-stressed areas.
- In low- and middle-income countries, 38% of health care facilities lack improved water source, 19% do not have improved sanitation and 35% lack water and soap for handwashing.
Back to Expert Water Purification Advice