Planet's Water Balance

(Source: National Geographic Sept 2002 – A thirsty planet)

Saline water – 97.5%
Sea water – 99.0%
Saline groundwater and lakes – 1.0%

Fresh water – 2.5%
Ice and snow – 70%
Groundwater – 30%
Lakes and rivers – 0.25%
Soil, wetlands and biota – 0.1%
Atmospheric water vapor – 0.04%