Having read a few accounts of what it takes to summit Everest, I would guess that the number of people who could achieve it is less than half of 80%. The excell

Having read a few accounts of what it takes to summit Everest, I would guess that the number of people who could achieve it is less than half of 80%. The excellent book Into Thin Air[0] has a lot more on this (and some thoughts on the increased tourism/commercialization of the mountain). [0] https://en.wikipedia.org/wiki/Into_Thin_Air https://en.wikipedia.org/wiki/Into_Thin_Air