About 15% of the world's population lives with some form of disability, of whom 2-4% experience significant difficulties in functioning. The global disability prevalence is higher than previous WHO estimates, which date from the 1970s and suggested a figure of around 10%. This global estimate
an estimate of both the volume and value of the accessible tourism market and uncovers interesting... has estimated the value of the purple pound to the tourism industry by adding a question regarding... or those travelling within a group where a member had an impairment is estimated to be £15.2 billion
