does it sound real for you?
 

The rating:

http://www.citymayors.com/features/cost_survey.html

'The index is based on cost of living expressed in US dollars. Therefore, if the dollar weakens against the local currency of a city, the city becomes more expensive and moves up the index, even if prices expressed in local currency remain the same or even go down'

that's pretty funny..

Currency movements main factor in deciding
ranking of most expensive cities in the world

says itself...