KEY WATER RESOURCES STATISTICS IN AQUASTAT. FAO'S GLOBAL INFORMATION SYSTEM ON WATER AND AGRICULTURE

This article describes the methodology used by AQUASTAT to assess natural and actual freshwater resources for the world by country. It deals with renewable water resources and concentrates mainly on the physical assessment of internal and external resources. It presents a picture of the state of the world's water resources that is not only the natural state but also the current situation, taking into account existing uses of water and their implications for countries sharing river basins.