World's most expensive cities

Dubai: Where in the world is the most expensive city? According to a latest survey, Tokyo is it.

Mercer's 2009 Worldwide Cost of Living survey said that cost of living in Tokyo, Japan is up 13.1 per cent from 2008.

Japan's capital is followed by Osaka and Moscow, which held the top spot in last year's rankings. Geneva comes in fourth.

In pictures: World's most expensive fast food
In pictures: World's most expensive commutes
In depth: World's priciest cities to own a home
In depth: Where the world's richest live
In depth: World's most powerful luxury brands

Other notable jumps from last year's ranking to this year's are Dubai, which moved to number 20 from number 52, and Caracas, which moved to number 15 from number 89.

Both climbed so quickly because the local currencies are pegged to the dollar.