Usage and parameters of freshwater

In comparison to the 3 billion people that lived on the planet in 1960, there are currently 7.9 billion people on the planet. The population of the globe has significantly increased, and if the current trend continues, it is predicted that there will be up to 10 billion people on the planet by the year 2100. Whereas, in proportion to that water usage, contamination of water, techniques for cleaning the water are also increasing across the world.

From this world map, we can clearly see that India uses 761 billion cubic meters of water annually (of which 90% of it is utilized for agricultural purposes) whereas, China uses 598 billion cubic meters of water annually (agriculture, power, textiles, and mining are top sectors in the consumption) followed by the United States of America and so on.......