
And the cheapest city? ... Johannesburg, which replaced Asuncion in Paraguay.
Following are the top-10 most expensive cities, according to the Mercer survey. Last year's rankings in brackets:
1. Tokyo (2)
2. Osaka (11)
3. Moscow (1)
4. Geneva (8)
5. Hong Kong (6)
6. Zurich (9)
7. Copenhagen (7)
8. New York City (22)
9. Beijing (20)
10. Singapore (13)