Tags: Water, Top 5 Most, The Environment
Sources: P. H. Gleick, Pacific Institute. (2013). Total Renewable Freshwater Supply
by Country (2013 Update).
List Notes: Data is total renewable water resources (km3 per year estimated). The TRWR is calculated from: average precipitation, internal resources (surface & groundwater) and external resources (natural & actual). The accuracy and reliability of information vary significantly between regions, countries
and types of data. No consistency can be ensured at regional level on the duration and dates
of the period of reference. List last updated January 28th, 2015.