LONDON
London with an urban GDP of €801.66 billion in 2017, it is the biggest urban economy in Europe. It is one of the largest financial centres in the world and in 2019, London had the second highest number of ultra high-net-worth individuals in Europe, after Paris. London is home to highly ranked institutions such as Imperial College London in natural and applied sciences, the London School of Economics in social sciences, and the comprehensive University College London. In 2012. The BBC is a significant employer, while other broadcasters also have headquarters around the city. Many national newspapers are edited in London. London is a major retail centre and in 2010 had the highest non-food retail sales of any city in the world, with a total spend of around £64.2 billion. London has over 480 overseas banks, more than any other city in the world. It is also the world's biggest currency trading centre, accounting for some 37 per cent of the $5.1 trillion average daily volume.