A new report shows 17 countries are currently facing extremely high water stress.
And those countries are where a quarter of all humanity lives.
According to World Resources Institute, the countries classified as experiencing a water crisis include India, Iran and Botswana.
Developed cites like Tokyo, Los Angeles and Seoul are also under warnings to actively prepare against a water crisis.
In terms of big cities with more than three-million residents, 33 cities are suffering from water shortages.
By 2030, 12 more cities are expected to experience the same.