1 Oslo (Norway) 267
2 London (United Kingdom) 250
3 Geneva (Switzerland) 249
4 Zurich (Switzerland) 249
5 New York City (United States) 234
6 Singapore (Singapore) 231
7 Hong Kong (Hong Kong) 223
8 Sydney (Australia) 215
9 Tokyo (Japan) 213
10 Paris (France) 210
11 San Francisco (United States) 205
12 Stockholm (Sweden) 201
13 Copenhagen (Denmark) 201
14 Perth (Australia) 198
15 Washington D.C. (United States) 196
16 Brisbane (Australia) 193
17 Melbourne (Australia) 192
18 Amsterdam (Netherlands) 191
19 Dublin (Ireland) 182
20 Helsinki (Finland) 182
21 Toronto (Canada) 173
22 Boston (United States) 171
23 Tel Aviv (Israel) 170
24 Philadelphia (United States) 168
25 Vancouver (Canada) 166
26 Munich (Germany) 164
27 Brussels (Belgium) 164
28 Calgary (Canada) 162
29 Seattle (United States) 162
30 Rome (Italy) 162
31 Dubai (United Arab Emirates) 160
32 Los Angeles (United States) 160
33 Miami (United States) 160
34 Ottawa (Canada) 158
35 Milan (Italy) 158
36 Manchester (United Kingdom) 157
37 Moscow (Russia) 156
38 Auckland (New Zealand) 154
39 San Diego (United States) 153
40 Rio de Janeiro (Brazil) 151
41 Edinburgh (United Kingdom) 150
42 Montreal (Canada) 150
43 Chicago (United States) 150
44 Vienna (Austria) 149
45 Portland (United States) 149
46 Atlanta (United States) 148
47 Madrid (Spain) 146
48 Berlin (Germany) 146
49 Dallas (United States) 146
50 Denver (United States) 145
51 São Paulo (Brazil) 142
52 Barcelona (Spain) 142
53 Kuwait (Kuwait) 142
54 Houston (United States) 140
55 Tampa (United States) 138
56 Shanghai (China) 138
http://www.expatistan.com/cost-of-living/index
Guadalajara seems like an awesome value for the money as well as much of Poland plus the nightlife/social dynamics in those places don't suck either.
It's no surprise what the most expensive cities in the world are.