According to Numbeo, the most expensive city in the world in 2020 is Zurich, Switzerland, and the top 5 expensive cities are all in Switzerland.
Interestingly, the European fashion capitals including Paris, London and Milan are none of them on the list of 20 most expensive cities.
In North America, the most expensive city is unsurprisingly New York, and among the most expensive 30 cities, there are 10 cities from USA including San Francisco, Boston and Seattle.
The most expensive city to live in Canada is Toronto, but it ranks at only No. 42, cheaper than 15 cities of its neighbour the United States.
In Asia, the top three expensive cities are Tokyo, Seoul and Singapore, with Tokyo more expensive than Copenhagen.
For full cost of living index, visit Numbeo