Some 1.2 billion people—almost a fifth of the world—live in areas of physical water scarcity, while another 1.6 billion face what can be called economic water shortage.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/looming-threat-water-scarcity
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/environment-news-network-us
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/drinking-water
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/drinking-water-scarcity
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/china
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-states-america-us
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-resources
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/groundwater
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-distribution
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/africa
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-supply
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fao
[14] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industry
[15] http://admin.indiaenvironmentportal.org.in/category/thesaurus/urbanisation