In general, the purpose of water use could be divided into three parts, industrial use, agricultural use and domestic use. Along with difference between the population and industrialization progress, different areas have different percentage of water used.
The chart shows the details that the percentage of industrial use is higher than other purpose in Europe, differentiate with Europe, Central Asia would spend more water in agricultural use. Besides, South America would rather spend more water in domestic use than other purpose. Moreover, the percentage of industrial use and agricultural use is similar in North America due to the new and efficient technology has been applied on its industry and agriculture.
Above all, Except Europe and North America, the percentage of agricultural use all more than 50% in other regions.