About 90 countries
well,it's just simple that's base on mans daily activity and improper usage of it:).
Oman, Yemen, and South Africa are among countries that experience severe water scarcity. New Zealand, Australia, and Libya are among countries that experience moderate water scarcity.
Countries like Ethiopia and North Korea are countries that suffer from famine.
Approximately one-third of the world's population lives in countries that suffer from what scientists term "water stress," where water resources are scarce or polluted. This puts a significant portion of the global population at risk of facing water shortages and related challenges.
what are the water crisis in India
Countries suffer from drought due to a lack of rainfall over an extended period of time, which can lead to water scarcity, crop failure, and food shortages. Droughts can be caused by natural factors such as climate variability, as well as human activities like deforestation and overuse of water resources.
A water crisis is when the water demand of a region outstrips the availability of potable water.
Zimbabwe
Some countries that are currently in a food crisis include Zimbabwe, Mali, Kenya and Ethiopia. You can learn more about this food crisis at the FAO organization website.
cholera affects the countries which have poverty & cannot afford clean water. ie India Brazil and Peru.
uk waste