The Cost of Living City Rankings survey by Mercer measures the cost of living in 214 cities across 6 continents and measures the comparative cost of over 200 items in each location, including housing, transport, food, clothing, household goods, and entertainment. It is the world’s most comprehensive cost of living survey and is used to help multinational companies and governments determine compensation allowances for their expatriate employees. The site provides the top 10 cities for free and the complete report is available for purchase.