Table 3　Maximum Allowable Populations (Pmax) of the World and by Major Region in view of Water Resources

Note： Wa = Utilizable amount of Annual Replaceable Fresh Water (in km³). Condition 1 is "Standard condition", Condition 2 is "Condition of 75% improvement in utilization of water", Condition 3 (of Column (4)) and Condition 4 (of Column (5)) are the Grain-Meat ratio of 80% to 20% added to Conditions 1 and 2 respectively.

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