The city is also a principal banking and finance center, and the home to more than 30 international financial institutions, helping to make San Francisco rank eighteenth inthe world's top producing cities and fifteenth place inthetop twenty global financial centers.
Last time New York held the crown as the billionaire capital of theworld was in 2009, when the U.S. had five citiesinthetop 10: New York, Chicago, San Francisco, Dallas and Los Angeles.