In the tech world especially, investors are always on the search for the next unicorn - a private company valued at one billion dollars or more - to sink their money into for a big payoff further down the line. High-profile examples of such companies are Uber (valued at 68 billion), Airbnb (30 billion) and SpaceX (12 billion). As the infographic below shows, the country where investors are most likely to find a company with such potential is currently the United States. With 96 unicorns based there as of November 4, second-placed China comes a distant second with 37. In Europe, The UK leads Germany with 7 unicorns to 4.