Unit material points to one of the most vexing paradoxes facing the tourism industry as it progresses towards the mid-century. The completely contradictory predictions of expanded demand and contracting supply almost seem absurd. Either way it suggests metamorphic changes in the tourism industry as we know it. In almost every way things will change; some of them rapidly; and some of them gradually, but change they will. Explore the literature and offer a founded view on which of the seemingly irreconcilable factors of demand and supply will have the greatest impact on the future of tourism