The provided percentage multiple pie charts illustrate data related to various water usage in different parts of the world, comparing six countries.
Overall, a glance at the graph reveals that the significant water usage in North America and Europe is primarily due to industrial use in these regions. In contrast, the most substantial water usage in Africa, South America, Central Asia, and Southeast Asia is associated with agricultural purposes, while industrial and domestic uses are less prominent.
To begin with, regarding the percentage of water usage purposes, in North America and Europe, industrial use accounts for the largest share, approximately 50%, while domestic use represents the smallest proportion, around 15%. The percentage of industrial water use in North America is roughly equal to that in Europe, at 48% and 53%, respectively.
Interestingly, the data reveals that in Africa, Central Asia, South America, and Southeast Asia, the percentage associated with agricultural use is quite similar, hovering around 80%. The proportions for other uses are approximately equal, around 7% to 20%.