Intergovernmental Hydrological Programme

International virtual-water flows are calculated by multiplying, per trade commodity, the volume of trade by therespective average water footprint per ton of product in the exporting nation. Here, virtual blue water flows through trade of agricultural and industrial products for the period 1996-2005 is considered.Estimations are given in million cubic meter per year. In the table, data are also available disaggregated per types and import/export: a crop products, animal products, and industrial products.A detailed description of the methodology and results can be found in the main report available here: http://temp.waterfootprint.org/Reports/Report50-NationalWaterFootprints-Vol1.pdf For more information, visit the Water Footprint Network website: http://temp.waterfootprint.org/?page=files/WaterStat