Cost of Living survey 2012
Tokyo is the world’s most expensive city for expatriates, pushing Luanda, Angola, down to second position, according to Mercer’s latest Cost of Living Survey. Osaka is in third position, up three places from last year, whereas Moscow remains in fourth and Geneva in fifth positions. Singapore and Zurich share sixth place, up two and one places respectively since 2011. Ndjamena, Chad, drops five places, but Hong Kong retains its ninth place.
Source: http://www.mercer.com/press-releases/cost-of-living-rankings