Here are the answers to our Instagram Cities quiz

Zurich. With its many financial institutions and international organizations, the Swiss city lures in the world’s highest number of employees. Stockholm comes second, followed by three more Nordic cities: Oslo, Copenhagen and Helsinki. The Global Talent Competitiveness Index ranks cities and countries according to how well they attract, develop and retain talent. Read more here.

London. Despite steeper costs for rent and living, the city has 17 internationally ranked universities and a dynamic employer landscape - not to mention rave ratings from students themselves, who cite friendliness, ease of getting around and, perhaps unsurprisingly, a fun nightlife. You can find more information on the ranking here.

London still holds the title when it comes to world-class efficiency, with New York in second place. Well run cities are innovative, smart and forward-looking, say the authors of the 2017 Universe of City Indices study. The remainder of the ‘Big Seven’ of established global cities is made up of Paris, Singapore, Tokyo, Hong Kong and Seoul. You can find out more here.

Los Angeles, where an average worker’s salary will buy you more than in any other city. So much so that LA residents are able to afford almost 25% more goods and services than New Yorkers, according to a new report by Swiss Bank UBS. Zurich – famously one of the most expensive cities in the world, but where wages are higher – comes in second place. Find out more here.

San Francisco is the city most likely to outlast all the rest, at least over the next few decades. Why? Because it’s where all the digital innovation is happening. The city’s tech credentials, combined with its high quality of life and sustainability, make it best-placed to navigate an increasingly connected and globalized economy. Find out more here.

Tokyo is currently the world’s most populous city, and still will be, come the year 2030, when it will contain a whopping 37 million people. The United Nations predicts the city of Delhi will be second largest, with 36 million people. Shanghai, Mumbai and Beijing come next on the list.

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