The 50 most expensive cities in the world (March 2012 v March 2011). Source: Mercer

1 TOKYO, JAPAN
2 LUANDA, ANGOLA
3 OSAKA, JAPAN
4 MOSCOW, RUSSIA
5 GENEVA, SWITZERLAND
6 ZURICH, SWITZERLAND
7 SINGAPORE, SINGAPORE
8 N'DJAMENA, CHAD
9 HONG KONG, HONG KONG
10 NAGOYA, JAPAN
11 SYDNEY, AUSTRALIA
12 SÃO PAULO, BRAZIL
13 RIO DE JANEIRO, BRAZIL
14 BERN, SWITZERLAND
15 MELBOURNE, AUSTRALIA
16 SHANGHAI, CHINA
17 BEIJING, CHINA
18 OSLO, NORWAY
19 PERTH, AUSTRALIA
20 LIBREVILLE, GABON
21 COPENHAGEN, DENMARK
22 SEOUL, SOUTH KOREA
23 CANBERRA, AUSTRALIA
24 BRISBANE, AUSTRALIA
25 LONDON, UNITED KINGDOM
26 KHARTOUM, SUDAN
27 ADELAIDE, AUSTRALIA
28 ST. PETERSBURG, RUSSIA
29 CARACAS, VENEZUELA
30 SHENZEN, CHINA
31 TEL AVIV, ISRAEL
32 GUANGZHOU, CHINA
33 NEW YORK CITY, USA
34 NIAMEY, NIGER
35 YANGON, MYANMAR
36 KINSHASA, CONGO
37 PARIS, FRANCE
38 MILAN, ITALY
39 LAGOS, NIGERIA
40 BAMAKO, MALI
41 ABIDJAN, CÔTE D'IVOIRE
42 ROME, ITALY
43 BRAZZAVILLE, CONGO
44 DJIBOUTI, DJIBOUTI
45 BRASILIA, BRAZIL
46 STOCKHOLM, SWEDEN
47 NOUMÉA, NEW CALEDONIA
48 VIENNA, AUSTRIA
49 BAKU, AZERBAIJAN
50 VICTORIA, SEYCHELLES
51 DAKAR, SENEGAL