Matters of Scale - Water World

Water World

Percent share of all water on Earth that is freshwater
2.5
Percent share of all freshwater that is frozen in glaciers and polar icecaps
70
Percent share of all freshwater that is available for human use
< 1

###

Average annual per-capita freshwater consumption, North America
1,851,170 liters
Average annual per-capita consumption, Africa
245,944 liters

###

Population worldwide without access to secure water supplies
1.1 billion
Population without access to adequate sanitation
2.6 billion
Annual deaths attributed to dirty water and poor sanitation
1.6 million

###

Annual global consumption of bottled water, liters
154 billion
Percent share of bottled water that is actually tap water
40

###

Annual global spending on bottled water
US$100 billion
Annual global spending on clean water and sanitation
US$15 billion

###

Number of people living in countries that are overpumping aquifers
3.3 billion

Sources: Freshwater percentages: www.globalchange.umich.edu. Freshwater
consumption: www.globalministries.org. Water and sanitation access: World Health
Organization. Bottled water consumption, tap water share, spending on bottled water
and clean water, population in overpumping countries: Earth Policy Institute.