How many people live in areas of water scarcity?
Nearly half the global population are already living in potential water scarce areas at least one month per year and this could increase to some 4.8–5.7 billion in 2050. About 73% of the affected people live in Asia (69% by 2050).
Which is the best measure of water scarcity?
In order to reduce this confusion, this article looks at some of the most commonly used methods of defining and measuring water scarcity, so that readers can understand what exactly is meant in each case. One of the most commonly used measures of water scarcity is the ‘Falkenmark indicator’ or ‘water stress index’.
How is water scarcity a global security risk?
This Article examines the global state of freshwater scarcity  and the often-neglected linkages of water scarcity to economic, social, political, legal, and security consequences arising from disruptions, failures, or attacks on water access and distribution systems. 
How is adaptive capacity measured in water scarcity?
Social water stress index ‘Adaptive capacity’ is explicitly considered in the social water stress index (SWSI) (Ohlsson 2000). The SWSI posits that distributional equity, political participation, and access to education are good indicators of the ability of a country to adapt to water shortages.
How big is the water crisis in the world?
The Global Water Crisis What is the world water crisis? Water is essential to life, yet 785 million people in the world – 1 in 9 – lack access to it. According to a report by the World Economic Forum, the water crisis is the #5 global risk in terms of impact to society.
How many people lack access to water in the world?
Water is essential to life, yet 844 million people in the world – 1 in 9 – lack access to it. According to a report by the World Economic Forum, the water crisis is the #4 global risk in terms of impact to society. We are working every day to change this. We’re here to bring safe water and sanitation to all.
Why is there a shortage of water in the world?
Water use has been growing globally at more than twice the rate of population increase in the last century, and an increasing number of regions are reaching the limit at which water services can be sustainably delivered, especially in arid regions.