Vulnerability among countries would require a specific analysis and was not assessed at this stage. Obviously, countries which do not have a considerable territory within a basin would intuitively be less vulnerable to changes in that basin than those that fall entirely within the basin. Yet , being in a vulnerable basin does not necessarily mean that a country vulnerable. An example is Bhutan. It is entirely in the GBM Basin but it would be too simplified to conclude that it would be more vulnerable than a country which is entirely within s less vulnerable basin (e.g. Cambodia). Another example of a relatively small part of the territory of a country is in a certain basin but the country is very much dependent on that basin is Vietnam and Mekong; only one – fifth of Vietnam’s territory is in the Mekong Basins but most of Vietnam’s agricultural exports are produced there.