World Economic Forum: California has the same size economy as France. How do other US states compare?

The US has the largest economy in the world. Its GDP for 2015, according to World Bank data, is over US$18 trillion. This is $7 billion more than China’s, which is in second place.

To put this into perspective, here are three maps.

Some US states have GDPs the size of countriesThe first map shows seven areas of the US that have the same GDP as entire countries. [...]

The next map matches the economies of metropolitan areas of the United States to entire countries. [...]

This final map shows how America’s economic output is concentrated in metropolitan areas. It shows that just over half of the $18 trillion in GDP comes from the country’s 23 largest metro areas.

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