The pie charts compare the proportions of water used for residential, industrial and agricultural purposes in San Diego County, California, and worldwide.
Overall, water consumption patterns in San Diego and California are dominated by residential use, whereas agriculture accounts for the vast majority of water usage on a global scale. Industrial water use, by contrast, represents a moderate share in all three regions.
In San Diego County, domestic consumption makes up the largest proportion of water use at 60%, while industry accounts for 23%. Agriculture uses the smallest share, at just 17%. A similar pattern can be seen in California as a whole, although residential water use is lower than in San Diego, at 39%. Industrial and agricultural usage in California are relatively balanced, comprising 33% and 28% respectively.
Worldwide, however, the distribution differs markedly. Agricultural activities consume an overwhelming 69% of total water resources, far exceeding the figures for residential and industrial use. Domestic consumption represents only 8% globally, the lowest proportion across all regions, while industry accounts for 23%, a figure comparable to that of San Diego County.