Were London a city-state, it would have the 20th-largest national economy in the world – larger than the national economies of Saudi Arabia, Argentina and South Africa. Were London a city-state, its national per capita gross domestic product would be greater than that of the United States. Were London a city-state, it would be the 15th most populous country in Europe, with an overall population bigger than that of Austria or Denmark and bigger than the combined populations of Scotland and Northern Ireland. And were London a city-state, it would have voted to remain in the European Union, and it would no doubt be criticizing neighboring England for voting to leave.
Alas, London is not a city-state, and for all its history, wealth and power, it can never aspire to be one. For just under a millennium, London has been the capital of England; for more than three centuries, it has been the capital of the United Kingdom; for more than a century, it was the capital of the l