Singapore topped the ranking, followed by Helsinki, San Francisco, Berlin, Stockholm and Tel Aviv. Behind Zurich were Seoul, Hamburg and Toronto.
The ranking considered a range of criteria, including the number of start-ups in the city, financing opportunities, salaries, social benefits, living costs and quality of life.
Zurich performed well in all categories. It ranked second behind San Francisco for salaries paid to start-up employees, but lagged behind for start-up ecosystems. This category ranked the number of start-ups and the availability of financing.