Two years ago, those same workers had net wage levels - still compared to New York at 100 points - of 119.8, 107 and 44.1 points respectively.
UBS said Oslo in Norway, Zurich and Geneva were the most expensive cities in the world among those surveyed, based on a basket of 122 goods and services.
Japanese city Tokyo was the most expensive city in Asia, and 6th in the world, while Paris stood at No 12, and London was 15th.
Sydney - now the world's 7th most expensive city - had surged up in the rankings from 36th two years ago, partly because of the Australian dollar's continued appreciation against both the US dollar (19 per cent) and the euro (5 per cent).
New York was the most expensive American city, occupying rank 14.
New York had previously been among the 10 most expensive cities, but had been affected by the recent general depreciation of the US dollar exchange rate against the world's other currencies.
Auckland was the only New Zealand city surveyed.
The world's 20 most expensive cities:
1: Oslo
2: Zurich
3: Geneva
4: Copenhagen
5: Stockholm
6: Tokyo
7: Sydney
8: Helsinki
9: Toronto
10: Singapore
11: Vienna
12: Paris
13: Luxembourg
14: New York
15: London
16: Munich
17: Montreal
18: Frankfurt
19: Sao Paulo
20: Dublin
- NZPA