New York City is the one and only, the Capital of the World. The NY Stock Exchange is the worlds largest. NY is the headquarters of the United Nations. NY has a 24-hour subway, unlike London. NY never sleeps, unlike London. NY has a far higher GDP than London. NY is a larger city and has a much larger metropolitan area than London. NY is a bigger fashion capital than London. After Hollywood, NY is the second entertainment capital of the world. New Yorks metropolitan area has the largest ethnic Chinese population outside of Asia, far larger than Londons. New Yorks metropolitan area also has far larger Asian Indian, Latin American, and African diasporas than Londons. New York is a bigger art capital than London. New York is still growing, while London is stagnant or declining. No other city is in the same league as New York, and as time goes on, London will be even less and less close to New York. Sorry, London!