Water usage differs greatly from country to country, depending on how developed a nation is. Other influencing factors include agriculture and supply networks.
The amount of water used in the world every day is very uneven. MEDCs [MEDC: A More Economically Developed Country (MEDC) has high levels of development based on economic indicators such as gross domestic product (the country's income). ] use more water than LEDCs [LEDC: A Less Economically Developed Country (LEDC) has low levels of development, based on economic indicators, such as gross domestic product (the country's income). ] - households, farming and industry all demand water.
What the water is used for depends on the country. The pie charts below show the difference in water usage in four countries.